Exploring Our World

5
Exploring Our World
Activity Book Answers
Page 3 1 1 leave 2 exciting 3 dry 4 trees 5 explorer 6 Antarctica
2 free answers
Page 4–5 1 1 river 2 forest 3 compass 4 space 5 mountain 6 map
2 1 Explorers have changed the world. 2 Most explorers travel because
they are curious. 3 Some early explorers hoped to get rich.
4 Explorers have discovered new ways of farming. 5 Modern explorers
are still finding new things. 3 1 food 2 selling 3 remote 4 first 5 north
6 cures 4 1 Because they wanted to find food and water. 2 He was
the first person to climb all 14 mountains that are more than 8,000
meters high. 3 They used only the stars. 4 Chinese people 5 It tells
you which direction you are traveling in. 6 They use satellites.
Page 6–7 1 1 North America 2 Pacific Ocean 3 Atlantic Ocean
4 Europe 5 Africa 6 South America 7 Asia 8 Indian Ocean 9 Antarctica
2 1 trade 2 inventions 3 thought 4 Norway 5 continent 3 1 People
started in Africa. 2 There were people in most parts of Africa, Asia,
and Europe. 3 People first arrived in America. 4 The first Chinese
explorer sailed to Africa. 5 People first traveled to Asia. 6 Dutch explorers
discovered Australia. 7 People explored Antarctica. 4 1 Ibn Battuta
2 Marco Polo 3 Christopher Columbus 4 Ferdinand Magellan
5 Abel Tasman 6 James Cook 7 Zheng He
Page 8–9 1 (top to bottom, left to right): geologist, dinosaur, ancient,
fossil, volcano, earthquake 1 geologist 2 volcano 3 earthquake
4 fossil 5 ancient 6 dinosaur 2 1 There are lots of people who
explore the past. 2 Earth is covered by big pieces of rock called
plates. 3 When they move, plates can cause an earthquake.
4 When ancient animals died, they were buried under mud.
3 1 e 2 d 3 c 4 a 5 f 6 b 4 1 fossilized, million, discoveries, information
2 objects, past, believed, clothes
Page 10–11 1 1 30% 2 bigger 3 four 4 stones 5 dry 6 Antarctica
2 1 People have explored deserts for many years. True 2 Only 25%
of deserts are sandy. True 3 It often snows in Antarctica. False
4 The largest hot desert in the world is in Mongolia. False 5 Not much
grows in the desert. True 6 In 1922 an American explorer found gold
in the Gobi Desert. False 3 1 How; In a mule-cart. 2 Where; In the
Gobi Desert in Mongolia. 3 Why; Because the wind blows the sand
around and changes the landscape. 4 Who; The French explorer
René Caillé 5 What; Camels 6 When; 1977 4 1 less, rain 2 Underground,
precious 3 camel, coast
Page 12–13 1 1 sugar 2 nuts 3 rubber 4 fruit 5 medicines 6 chocolate
7 spices 8 coffee 9 chewing gum. All these things come from
rainforests. 2 1 governments, money, route, trading 2 source, longest
3 important, half 3 Meriwether Lewis, American, Missouri, North
America; Mary Kingsley, British, Ogowe, Africa; Francisco de
Orellana, Spanish, Amazon, South America 4 1 d 2 f 3 b 4 a 5 e 6 c
Page 14–15 1 (top to bottom, left to right): land, research, cube,
minerals, poles, fossils 1 poles 2 cube 3 land 4 fossils 5 research
6 minerals 2 1 The Arctic and the Antarctic were the first last places
to be explored. 2 Near the poles, you can see the midnight sun in
winter summer. 3 In the past, Antarctica was cold warm. 4 The oil and
gas under the Antarctic are easy hard to get to. 5 The first Arctic
explorers came from Europe Asia. 3 1 The first European explorers
arrived in the Arctic in about 1500. 2 Vitus Bering was the first
explorer to find the Northeast Passage. 3 Roald Amundsen found
a way around the top of Alaska. 4 The first explorers to cross
Antarctica were led by Vivian Fuchs. 4 1 Scott 2 Amundsen 3 Scott
4 Scott 5 Amundsen 6 Scott 7 Amundsen 8 Amundsen 9 Scott
10 Amundsen
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Page 16–17 1 1 underground, crash 2 chain, ocean 3 Geologists, rocks
4 archaeologists, remains 5 statues, volcano 2 1 Mountains are
made of rock and soil. 2 Mountains are much higher than the land
around them. 3 The biggest mountain chain is the Himalayas.
4 Mount Everest is the highest mountain in the world. 5 The longest
mountain chain on land is the Andes. 3 1 25% 2 millions 3 5
4 16,000 5 2,000 6 500 7 15 4 1 c 2 b 3 a 4 b 5 a
Page 18–19 1 1 Iron 2 fish 3 Pearls 4 oil 5 Seaweed 6 salt 2 1 false
2 false 3 true 4 false 5 true 6 true 3 1 five 2 4,000 million years ago
3 25,000 4 Self Contained Underwater Breathing Apparatus
5 some new types of fish 4 1 record, diver, underwater
2 better, further 3 robots, information 4 least
Page 20–23 1 1 leave 2 exciting 3 dry 4 trees 5 explorer 6 Antarctica
2 1 source 2 fossil 3 portuguese 4 oceans 5 Amundsen 6 Scott
7 Columbus 8 oil 9 cures 10 GPS 11 plates 12 precious 13 seaweed
3 1 compass, page 6 2 Egypt, page 14 3 explorers, page 8
4 chain, page 28 5 Nile, page 21 6 China, page 9 7 Everest, page 31
8 geologists, page 29 9 Asia, page 26 10 stars, page 6
11 Sahara, page 16 12 Aztec, page 15 4 Regular verbs: travel,
traveled; use, used; cover, covered; reach, reached. Irregular verbs:
know, knew; think, thought; write, wrote; make, made 5 1 traveled,
travel 2 knew, know 3 wrote, made 4 reached, thought 5 used, use
6 cover, think 6 René Caillé was a French Explorer. He was the first
man to travel across the Sahara Desert. Junko Tabei is a Japanese
climber. She was the first woman to climb to the top of Everest.
Roald Amundsen was a Norwegian explorer. He was the first man
to get to the South Pole. James Cook was a British sailor. He was the
first explorer to cross the Antarctic Circle. Free answer.
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Activity Book Answers – Level 58
5
Great Migrations
Activity Book Answers
Page 3 1 1 move 2 sun 3 eat 4 food 5 winter 6 babies 2 free answers
Page 4–5 1 1 animals 2 food 3 year 4 complete 5 partial 6 leave
2 Example answers 1 Migrants are animals that migrate. 2 Migrants
sometimes find it difficult to get food and water when they are
traveling. 3 Migrants are in danger from bad weather and predators.
4 Animals migrate to find food, water, and a safe place to live or breed.
3 1 Animals see things that tell them to migrate. True 2 Some animals
migrate when the days get longer. True 3 Some animals migrate
when the weather gets hotter. True 4 Animals migrate when there
is a lot of food. False 5 Hormones make migrants eat a lot before
their journey. True 4 1 mountains 2 smells 3 sun 4 coasts 5 sounds
6 stars 7 Earth’s magnetic field; Things that migrants can see to
find their way: mountains, sun, coasts, stars; Other things: smells,
sounds, Earth’s magnetic field
Page 6–7 1 1 China, godwit 2 Alaska, godwit 3 Wisconsin, crane
4 New Zealand, godwit 5 Florida, crane 2 1 migrate 2 world 3 long
4 south 5 north 6 the Tropics 3 1 food 2 double 3 muscles 4 molt
5 dangers 6 hunters 7 skyscrapers 8 habitats 4 Example answers
1 They learn from their parents or other older birds. 2 Because the
air from the wings of the bird at the front helps the other birds to fly.
3 Whooping cranes have learned to migrate by following planes.
4 Because it’s always warm there.
Page 8–9 1 1 old skin 2 larva 3 tree 4 south 5 eggs 6 dragonfly
2 1 Dragonflies live underwater for most of their lives. 2 When larvae
become adults, their old skin comes off. 3 Some dragonflies migrate
to warmer habitats in fall. 4 Monarch butterflies sleep in trees in the
winter months. 3 1 Young locusts change color when there are too
many locusts. 2 Millions of fruit bats in Africa migrate when there is
a lot of rain. 3 In a locust swarm, there are up to one billion locusts.
4 In places that get cold in winter, there are fewer insects.
4 1 swarms 2 200 3 night 4 dawn 5 5,000
Page 10–11 1 1 reindeer 2 wolf 3 sheep 4 caribou 5 chamois 6 goat
7 deer 8 bear 2 1 Norway lemmings can have eight babies every
month. True 2 When there are many lemmings, there is enough
food for them. False 3 Lemmings sometimes swim across rivers and
lakes. True 4 Lemmings never die when they migrate. False 5 When
they migrate, frogs and toads move about 10 kilometers. False
6 It’s easy for predators to kill frogs and toads when they migrate. True
3 1 land 2 mountains 3 Reindeer 4 herd 5 grass 6 snow
4 Example answers 1 Because our climate is changing. 2 They migrate
to breed. 3 They breed in water. 4 People sometimes build special
tunnels.
Page 12–13 1 1 elephant 2 leopard 3 crocodile 4 zebra 5 gazelle
6 wildebeest 7 lion 8 hyena 2 1 What seasons are there on the
African plains? There is a wet season and a dry season. 2 How many
wildebeest are there in Tanzania and Kenya? There are more than
a million. 3 How far do wildebeest travel when they migrate? They
travel up to 3,000 kilometers. 4 Where do wildebeest have their
young? They have their young at the Serengeti. 5 In rivers, what
animals attack the herds of wildebeest? Crocodiles attack the herds
of wildebeest. 3 Animals at the Serengeti: wildebeest, leopards,
lions, hyenas, zebras, gazelles; Animals at the Okavango Delta:
dragonflies, cranes, deer, buffaloes, elephants, giraffes 4 1 Elephants
migrate to look for food and water. 2 It is called musth. 3 An adult
elephant needs about 100 kilograms of food every day. 4 It is in the
Kalahari Desert in Botswana in Africa.
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Page 14–15 1 1 humpback whale 2 emperor penguin 3 krill 4 mammal
5 squid 6 gray whale 7 tuna 8 fish 9 plankton 10 dolphin 2 1 polar
2 Humpback 3 songs 4 Penguins, stomachs 5 Antarctic, squid
6 ice, breeding 7 female, eggs 8 male, feet 3 1 coral reefs 2 breed
3 tuna 4 plankton 5 vertical 4 1 Humpback whales and gray whales
can find lots of krill in polar oceans in summer. 2 Male emperor
penguins have to wait for up to 16 weeks for eggs to hatch.
3 Fish in coral reefs can hide easily from predators under the coral.
4 In winter, whales have to migrate back to warmer oceans to breed.
Page 16–17 1 eel, ocean, larvae, eggs, die, predator; 1 eel 2 predator
3 die 4 larvae 5 ocean 6 eggs 2 1 salt, fresh 2 salmon 3 smell
4 silver, red 5 predators 3 1 Eels migrate from fresh water to salt
water to breed. True 2 Eel larvae move with ocean currents. True
3 Adult eels become red. False 4 Turtles lay their eggs in a different
place every year. False 5 Scientists think that turtles can follow
Earth’s magnetic field. True 4 Example answers 1 They migrate up
rivers and streams. 2 They breed in the ocean. 3 They migrate
thousands of kilometers to breed. 4 They lay their eggs on land.
5 They go to the ocean and swim away.
Page 18–19 1 1 fishing 2 pollution 3 roads 4 wind turbines 5 factories
6 power lines 7 dams 8 hunting 9 carbon dioxide 10 vehicles; dangerous
2 1 habitats 2 hunting 3 trees 4 warm 5 ice 6 migrating 3 1 Arctic
2 spring 3 seals 4 markers 5 habitats 6 crabs 4 Example answers
1 Their main food is seals. 2 They migrate south to the land.
3 Because there is less ice to walk on. 4 They help scientists to see
where animals are migrating. 5 We need to keep Earth clean and safe.
Page 20–23 1 1 move 2 sun 3 eat 4 food 5 winter 6 babies 2 1 bat
2 migrant 3 migration 4 frogs 5 predators 6 weight 7 cranes
8 landmarks 9 larvae 10 sun 11 caribou 12 lemming 3 1 wildebeest,
page 20 2 markers, page 35 3 hormones, page 5 4 locusts, page 14
5 whales, page 24 6 stars, page 6 7 monarch, page 13 8 reindeer,
page 17 9 carbon dioxide, page 33 10 salmon, page 28 11 polar
bears, page 34 12 eels, page 30 4 Regular verbs: migrate, migrated;
hatch, hatched; look, looked; live, lived; walk, walked; Irregular verbs:
make, made; feed, fed; eat, ate; fly, flew; swim, swam 5 1 have to
2 can 3 can 4 have to 5 have to 6 can 6 (chart) Birds: godwit, emperor
penguin, whooping crane; Fish: tuna, salmon, eel; Mammals: fruit bat,
humpback whale, lemming; Insects: dragonfly, monarch butterfly,
desert locust; 1 Example answer Bird: godwit. Godwits fly further
without stopping than any other bird. 2-5 free answers
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Activity Book Answers – Level 59
5
Homes Around the World
Activity Book Answers
Page 3 1 1 caves 2 Incas 3 tents 4 the Arctic 5 shanty towns
6 oxen 2 free answers
Pages 4–5 1 1 cave 2 straw house 3 wooden houses 4 stone houses
5 castles 6 mud house 2 Caves: dark, animal skin doors; Straw and
Mud Houses: dry bricks, flat roofs; Stone Houses: thatched roofs, cut
blocks; Wooden Houses: bamboo roofs, platforms 3 (Earliest first)
1 Cave people, 50,000 years ago. 2 Ancient Egyptians, 5,000 years ago.
3 Ancient Chinese, 3,400 years ago. 4 Ancient Greeks, 2,400 years ago.
5 Ancient Romans, 2,000 years ago. 6 Incas, 600 years ago.
4 1 In caves, there was no kitchen or bathroom. 2 On Inca houses,
there were thatched roofs. 3 In straw houses, there were holes
in the walls for windows. 4 In some Roman houses, there was a
bathroom. 5 In stone castles, there were rich people.
6 On an Egyptian house, there was a flat roof.
Pages 6–7 1 1 apartment 2 concrete 3 glass 4 terraced house 5 wood
6 stone 7 bungalow 8 cottage 9 mansion 10 plastic. Materials:
concrete, glass, wood, stone, plastic; Types of Home: apartment,
terraced house, bungalow, cottage, mansion 2 1 bathroom
2 shanty town 3 cardboard boxes 3 1 Poor people sometimes share
small apartments. True 2 Many homes are made with man-made
materials. True 3 Some apartments are in tall skyscrapers. True
4 Terraced houses have space all around them. False 5 Bungalows
have all the rooms on two floors. False 6 A cottage is made of bricks
and has a thatched roof. True 4 1 An apartment is a home on one
floor of a bigger building. 2 People often have gardens or land
to grow vegetables. 3 Teak is very good for building houses and
furniture. 4 Poor people often don’t have enough money to buy or
build their own home.
Pages 8–9 1 1 polar 2 mountainous 3 tropical 4 desert 5 temperate
2 mild – cool; hot – cold; wet – dry; light – dark; sunny – cloudy;
1 mild 2 cold 3 hot 4 wet 5 cool, warm 3 1 In temperate climates
the weather is usually cold. False 2 Bricks keep water in and keep
homes wet. False 3 People can light a fire when it is cold. True
4 Some igloos have ten or eleven rooms. False 5 In some deserts
people make homes underground. True 4 1 In tropical climates
there are often floods. 2 In temperate climates it is usually cold.
3 In cold climates there are often stone houses. 4 In Artic igloos it is
quite warm inside. 5 In desert houses with small windows it is cool
but dark.
Pages 10–11 1 Order of numbered pictures: 3, 2, 4, 1 1 tents
2 houseboats 3 wagons 4 motor homes/RVs 2 1 nomads 2 skins,
bones 3 plants 4 vacation 5 fire 3 1 Where do some nomads in
Mongolia live? Some nomads live in gers. 2 Who makes floating
houses in Peru? The Uros people make floating houses. 3 What are
some houseboats used as? Some houseboats are used as floating
shops. 4 What pulled wagons in North America 150 years ago?
Oxen pulled wagons in North America 150 years ago. 5 Where do
people who go camping sleep? People who go camping sleep in
tents. 4 1 Teepees were made from animal skins. 2 When people
go camping, they sleep in tents. 3 Modern wagons are called travel
trailers or caravans.
Pages 12–13 1 1 Buckingham Palace 2 The White House 3 Windsor
Castle 4 The Forbidden City 5 Topkapi Palace 2 1 15 2 buildings
3 museum 4 largest 5 November 6 president 7 1800 8 sultans
9 4,000 10 earthquake 3 1 The White House has 132 rooms.
2 About 800 people worked in the kitchens of Topkapi Palace.
3 The Forbidden City is the largest ancient palace in the world.
4 43 presidents have lived in the White House 5 The Forbidden
City is in Beijing in China. 6 Many kings and queens are buried at
Windsor Castle. 4 free answers
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Pages 14–15 1 1 concrete, yes 2 electricity, no 3 boat, no 4 bricks, yes
5 cave, no 6 stone, yes 7 wood, yes 8 window, no 9 mud, yes
10 chimney, no 2 1 People in Guadix don’t sleep in caves. False
2 Cave homes usually have no water and electricity. False 3 Some
people want their house to look different. True 4 Homes are never
built in an unusual shape. False 5 Architects sometimes copy things
from nature. True 3 1 Many caves have televisions and Internet
connections. 2 One house in New Mexico has walls made of mud,
tires, and cans. 3 A diamond-shaped house in Japan has a parking
space for the car. 4 In Indonesia, some people have houses with
boat-shaped roofs. 5 A woman in El Salvador has a house made
from plastic bottles. 6 Most homes around the world have four
walls and a roof. 4 1 Almost half of the people live in cave homes.
2 In underground caves, chimneys are to let air in. 3 It took the
woman in El Salvador three months to build her house.
Pages 16–17 1 1 hurricane 2 earthquake 3 flood 4 war; answer:
refugee camps 2 1 ladders, floors, roof 2 tulou, windows, door, rooms
3 yano, hammocks, poles, leaves 4 orphanage 3 1 Sometimes lots
of families live in the same building. True 2 In many parts of the
world different generations live together. True 3 A tulou is a big
round house made of wood. False 4 In North America most people
live in homes built for two families. False 4 1 Lots of people live
together in a tulou. 2 In each village, everybody lives together in a
yano. 3 The Yanomami people live in the Amazon rainforest.
4 When many homes are destroyed, people live together in
refugee camps. 6 About 12 million people live in refugee camps
all over the world.
Pages 18–19 1 1 straw 2 grass 3 coal 4 sun 5 foam 6 cement 7 oil
8 gas 9 wind; Environmentally friendly: straw, grass, sun, foam,
cement, wind; Not environmentally friendly: coal, oil, gas 2 1 free
answers 3 1 environment, environmentally friendly, sun, wind
2 energy, insulated, windows 4 1 Homes with steel and concrete
walls will fall down in a hurricane. False 2 Energy from the sun
is environmentally friendly. True 3 A house with straw inside is
environmentally friendly. True 4 Our climates are not changing.
False 5 Architects are designing houses that will float. True
6 New homes made from cement and foam are heavy. False
Pages 20–21 1 1 caves 2 Incas 3 tents 4 the Arctic 5 shanty towns
6 oxen 2 1 bungalow 2 stone 3 mud 4 apartment 5 houseboat
6 orphanage 7 platform 8 caves 9 caravan 10 gers 11 yano
12 mansion 13 igloos 3 1 caves, page 4 2 Windsor Castle, page 21
3 chalet, page 13 4 old people’s home, page 30 5 bungalow, page 9
6 stilts, page 15 7 Ancient Egyptians, page 5 8 high-tech homes,
page 34 9 gers, page 16 10 houseboats, page 17
11 The White House, page 22 12 mansions, page 10
Pages 22–23 4 1 live, lived; build, built; take, took; sleep, slept;
protect, protected; travel, traveled; share, shared; keep, kept.
Regular verbs: live (lived), protect (protected), travel (traveled), share
(shared); Irregular verbs: build (built), take (took), sleep (slept), keep
(kept) 5 1 lived 2 live 3 protected 4 share 5 slept 6 travel 7 keep
6 1 Yano: round, thatched roof, wood; Mansion: two or more floors,
windows, bricks or stone, wood; Tulou: round, two or more floors,
mud, windows; Cottage: two or more floors, windows, thatched
roof, bricks or stone. Example answers 1 A yano is round; A yano is not
made of mud 2 A mansion has two or more floors; A mansion can
be made of bricks, stone, or wood. 3 A tulou is round and has two
or more floors; A tulou does not have a thatched roof.
4 A cottage has windows and two or more floors; A cottage is not
made of wood.
Oxford Read and Discover
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Activity Book Answers – Level 510
5
Transportation Then and Now
Activity Book Answers
Page 3 1 1 travel 2 wheels 3 animals 4 water 5 the United Kingdom
6 sun 2 free answers
Pages 4–5 1 1 trailer 2 ship 3 cart 4 sled 5 camel 6 spaceship
2 1 Rafts were the first vehicles. 2 People made rafts from tree trunks.
3 Sleds were used on land. 4 Carts were faster than sleds.
5 Cows pulled carts and sleds. 6 The wheel is an important
invention. 3 1 People used llamas for transportation in Africa. False
2 People still use animals for transportation today. True 3 Ten thousand
years ago, people traveled a lot. False 4 Traders took silk to China
along the Silk Road. False 5 Tourists started to go on vacation
200 years ago. True 6 In 2001, a tourist went to the moon. False
4 truck: yes, land; raft: no, water; cart: yes, land; plane: yes, air; boat:
no, water; sled: no, land
Page 6–7 1 1 sail 2 compass 3 paddle 4 steam engine 5 propeller
6 oar 2 transport, freight; travel, lakes; vehicles, trunks 3 1 People
made rafts from tree trunks. 2 People made the first canoes.
3 Egyptian traders sailed the first ships. 4 Chinese people invented
the compass. 5 The Vikings sailed across the Atlantic Ocean.
6 People started using steam engines in ships. 4 Example answers
1 He built a raft similar to the ancient rafts. 2 They came from Norway,
Sweden, and Denmark. 3 They stole gold and silver. 4 They carry
passengers on vacation. 5 Korea builds the most ships. 6 It is a
supertanker.
Page 8–9 1 1 coal 2 the United Kingdom 3 Russia 4 Horses 5 diesel
2 1 steam, tracks 2 underground 3 sleeper 4 passengers 5 Tanker, cold
6 cab, trailer 3 1 We use buses to transport freight. False
2 People built the first train in Scotland. False 3 More than 160 cities
have underground train systems. True 4 Trains use more fuel per
passengers than cars. False 5 Trucks are more powerful than buses.
True 6 Trains can only go on railroads. True 4 1 slower 2 hotter
3 longest 4 faster 5 bigger 6 biggest
Page 10–11 1 1 helmet 2 glove 3 brake 4 saddle 5 frame 6 tire 7 gears
8 back wheel 9 chain 10 pedal 2 1 wood, uncomfortable, tires, front,
brakes 2 engine, back, chain, leather 3 1 Bicycles don’t produce
pollution. 2 A helmet protects your head in a crash. 3 BMX bicycles
are small. 4 Mountain bikes have thick tires. 5 Recumbent bicycles
look funny. 4 1 After 1850, bicycles were made of wood metal.
2 Modern bicycles are more dangerous safer than old bicycles.
3 Racing bikes are heavy light. 4 A cyclist stops the bicycle with the
gears brakes. 5 Gloves protect the cyclist’s feet hands. 6 Motorcycles
are lighter heavier than bicycles.
Page 12–13 1 1 brake 2 engine 3 gears 4 seat belt 5 front wheel
6 pedals 7 steering wheel 8 battery 9 airbag 2 1 three 2 laughed, noisy
3 expensive, hand 4 protect, crash Example answers 5 Drivers of
automatic cars don’t need to change gears. 6 The driver starts the
engine with a key. 3 1 Two German engineers made the first car.
2 Rolls-Royce started to make cars. 3 Ford’s factories started to
produce Model T cars. 4 There were millions of Model Ts on the roads.
5 People in America started to make larger cars. 6 Bugatti started to
produce the Veyron. 4 1 Who made the first car? Daimler and Benz.
2 Why did people laugh at the first cars? Because they were slow
and noisy. 3 How much does the Bugatti Veyron cost? 1.5 million
US dollars. 4 Which is the smallest car in the world? The Peel P50.
Page 14–15 1 1 cockpit 2 tail 3 nose 4 cabin 5 wheel 6 rudder
2 1 1793 2 1940 3 90 4 wooden 5 1903 6 passengers 7 twice 8 light
3 1 balloon c 2 helicopter e 3 airship a 4 Daedalus d 5 airliner f
6 rocket b 4 1 Who: The Montgolfier brothers 2 Where: In the cockpit
3 How: With the rudder 4 What: They control the speed. 5 Why:
So that they can land on snow.
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Page 16–17 1 1 rickshaw 2 snowmobile 3 gondola 4 sled
5 auto rickshaw 6 punt; Delhi: India, rickshaw; Oxford: United
Kingdom, punt; Nunavut: Canada, snowmobile, sled; Venice: Italy,
gondola 2 vehicles, carts, Traders, goods, deserts 3 1 It’s very warm
in Nunavut. False 2 Inuit people use donkeys to pull their sleds. False
3 There aren’t any cars in Venice. True 4 Venice was built on a lot of
small islands. True 5 An auto rickshaw has a small engine. True
6 There are a lot of hills in Oxford. False 4 1 cycling 2 punting
3 shopping 4 traveling 5 driving 6 cycling
Page 18–19 1 1 diesel 2 jet pack 3 wind 4 space plane 5 gasoline
6 solar 7 maglev train 8 biodiesel; Types of fuel: diesel, gasoline,
biodiesel; Types of energy: wind, solar; Transportation: jet pack,
space plane, maglev train 2 1 less 2 fuel 3 electric 4 sun 5 float
6 scramjet 7 Earth 8 pedal 9 personal 3 1 Most cars will have
electric motors. 2 Sails will be important again for ships. 3 Solar cars
can travel at 90 kilometers per hour. 4 Tourists will be able to travel
in space planes. 5 Solar planes can’t carry much. 4 1 Solar planes
can’t carry much. 2 Biodiesel comes from plants. 3 Maglev trains are
faster than usual trains. 4 Electric bicycles are great for going up hills.
5 A jet pack doesn’t have any wings. 6 Space travel won’t be cheap.
Page 20–23 1 1 travel 2 wheels 3 animals 4 water 5 the United Kingdom
6 sun 2 1 solar 2 cockpit 3 compass 4 pollution 5 brakes 6 Korea
7 pirates 8 plants 9 tires 10 saddle 11 float 12 balloons 13 passengers
3 1 magnets, page 33 2 horses, page 14 3 cabin, page 26 4 paddles,
page 8 5 helmet, page 17 6 supertankers, page 11 7 wheels, page 5
8 London, page 13 9 wood, page 16 10 Germany, page 20
11 gondolas, page 29 12 coal, page 12 4 1 had 2 use 3 added 4 carry
5 stops 6 invented 7 built 8 has; Present tense: use, carry, stops, has;
Past tense: had, added, invented, built 5 1 of 2 along 3 across
4 by 5 from 6 into 6 Example answers Water: 1 People use paddles
to power canoes. 2 People made rafts from tree trunks. 3 Cruise
ships carry passengers on vacation; Land: 1 Refrigerator trucks keep
food cold. 2 BMX bicycles are good for doing tricks. 3 Solar cars use
energy from the sun; Air: 1 The Montgolfier brothers built the first
hot-air balloon. 2 Rockets take astronauts into space. 3 There is gas
inside an airship.
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Activity Book Answers – Level 511
5
Wild Weather
Activity Book Answers
Page 3 1 1 on mountains 2 summer 3 seven 4 dry 5 clouds
6 warmer 2 free answers
Page 4–5 1 1 sun 2 rain 3 cloud 4 moon, stars 5 sky 2 1 use, collect,
take, helps 2 watched, flew 3 1 You can feel air pressure. False
2 High air pressure brings clear skies. True 3 Today, scientists use
computers to predict the weather. True 4 Some people think that
cows can predict the weather. True 5 There are about 1,000 weather
stations around the world. False 4 Example answers 1 The weather
changes. 2 It brings rain and wind. 3 So that they can avoid bad storms.
4 From weather stations, weather planes, weather balloons, and
satellites.
Page 6–7 1 1 equator 2 hot 3 cold 4 temperate 2 (Opposites): near
– far; hot and sunny – cold and snowy; summer – winter; warmer –
cooler 1 near, hot and sunny, far, cold and snowy 2 warmer, summer,
cooler, winter 3 1 What, Land. 2 Which, Summer 3 How, They store
water. 4 Where, Near the equator. 5 How many, Four 4 free answers
Page 8–9 1 fog, mist, cumulonimbus, stratus, cumulus, cirrus; 1 fog
2 Cumulus 3 Cumulonimbus 4 Stratus 5 mist 6 Cirrus 2 1 Mist is like
a very thick cloud. False 2 Driving in fog is dangerous. True 3 There
are only two types of lightning. False 4 Clouds are made of millions
of tiny drops of water. True 5 Lightning usually hits tall things. True
3 1 100 2 30,000 3 100 4 three 5 six 6 40,000 4 1 Stratus clouds are
low high, thin blankets of cloud. 2 Cumulus Cirrus clouds are made
of ice crystals. 3 At night, the ground warms up cools down.
4 When hot air rises on a hot day, it can change into fog storm clouds.
5 Cars have special fog lights to help other drivers to hear see them.
6 The Empire State Building is hit by lightning about 100 times
every week year.
Page 10–11 1 1 rain: water that falls from clouds 2 rainbow: you can
see this when you are between the sun and the rain 3 monsoon:
the wet season in tropical countries 4 flood: water on the land
when rivers overflow 5 evaporation: when the sun heats water and
turns it into water vapor 2 (earliest to last) 1 When the sun heats
the water, some of it changes into a gas called water vapor.
2 This is called evaporation. 3 The water vapor rises into the sky.
4 It cools and changes back into tiny drops of water that make
clouds. 5 The drops of water get bigger and they fall as rain.
6 Rain water goes into rivers, rivers go into lakes and oceans, and
the process starts again. 3 1 rainbow 2 moon 3 seasons 4 heavy
5 destroy 6 deserts 4 Example answers 1 Because more rain falls in
some places than others. 2 When there is rain and sun at the same
time. 3 It looks like a circle. 4 A hot, dry season and a long, wet season.
5 Because the mud from a flood makes soil more fertile. 6 Bangladesh
Page 12–13 1 1 ice 2 snow 3 sleet 4 hail 2 1 climates 2 crystals
3 pattern 4 melt 5-6 free answers 3 1 About 11,000 years ago, 30%
of Earth was covered in sand ice. 2 If you get too warm cold you
can get hypothermia. 3 Every snowflake has the same a different
pattern. 4 Most hailstones are big small. 5 A heavy snowstorm with
icy winds is called an avalanche a blizzard. 6 Power cables can fall
down, leaving people with no water electricity. 4 Example answers
1 Vostok in Antarctica 2 When it’s cold. 3 You can get hypothermia.
4 They can crash.
PHOTOCOPIABLE
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Page 14–15 1 deserts: places with less than 25 centimeters of rain
every year; drought: when rain doesn’t fall for a long time; famine:
when people don’t have enough to eat; sandstorms: when strong
winds blow sand up into the air; forest fires: big fires that burn trees
and dead leaves 1 Deserts 2 famine 3 Forest fires 4 sandstorms
5 drought 2 Example answers Rain every year: less than 25 centimeters;
Humid or dry? Dry; Weather in the day: Usually clear and sunny;
Weather at night: Very cold 3 1 What is the driest place in the
world? Example answer The Atacama Desert. 2 Where is the weather
hottest? Example answer Near the equator. 3 What do crops need to
grow? Example answer Water 4 Why can’t you cool down in humid
weather? Example answer Because your sweat can’t evaporate.
4 Example answers 1 the winds there blow from the land to the ocean.
2 there are no clouds to keep the heat in. 3 trees and other plants
are dry. 4 crops can’t grow.
Page 16–17 1 light breeze – 4; moderate breeze – 5; strong breeze –
2; fresh gale – 1; storm – 6; hurricane – 3 2 Winds: direction, north,
south; Storm winds: hurricanes, cyclones, typhoons; Tornadoes
(or Twisters): Earth, funnel 3 Hurricanes: 350, week, Australia;
Tornadoes: 800, minutes, hurricanes 4 1 How – As a thunderstorm
over the ocean. 2 Why – Because they can change speed and
direction very quickly. 3 What – They are a funnel shape.
4 How quickly – At about 40 kilometers per hour. 5 Who – A British
man called Francis Beaufort.
Page 18–19 1 1 Earth gets heat from the Sun. 2 Some of the heat
escapes. 3 Some of the heat is trapped by a blanket of gases.
4 Now we’re trapping too much heat. 5 Earth is getting too warm.
2 1 wind energy 2 solar energy 3 both 4 wind energy 5 solar energy
6 both 3 1 There will be more rain. 2 There will be more droughts
and famines. 3 The ice around the Poles will melt. 4 Sea levels will rise.
5 Earth will get even warmer. 4 1 We can walk or ride a bike.
2 We must make less carbon dioxide. 3 We can make energy from
the sun and wind. 4 We don’t have to make all our electricity in
power stations. 5 We can plant more trees.
Page 20–23 1 1 on mountains 2 summer 3 seven 4 dry 5 clouds
6 warmer 2 1 drought 2 blizzard 3 cactus 4 flood 5 lightning
6 hurricane 7 climate 8 rainbow 9 tornado 10 sleet 11 mist
12 equator 13 eye 3 1 typhoon, page 29 2 wind farm, page 34
3 avalanches, page 23 4 fog, page 13 5 Bangladesh, page 19
6 carbon dioxide, page 32 7 clouds, page 12 8 ice, page 22
9 wind, page 31 10 monsoons, page 18 11 solar panels, page 35
12 humid, page 27 4 1 as big as 2 as hot as 3 as cold as 4 as heavy as
5 1 Where are the hottest climates? Example answer Near the equator.
2 Where are the coldest climates? Example answer Near the North
and South Poles. 3 Which is the driest place on Earth? Example answer
The Atacama Desert in Chile. 4 What is the highest temperature
ever recorded? Example answer 58 degrees centigrade 5 What is
the strongest hurricane ever recorded? Example answer Hurricane
Wilma 6 Example answers Monsoon: This is a wind from the ocean.
It brings heavy rain. Monsoons are dangerous because rivers can
overflow and make floods. Blizzard: This is a heavy snowstorm with
icy winds. Blizzards are dangerous because the snow can cover
buildings and cars. Power cables can fall down. Fog: This is a thick
cloud that forms near the ground. Fog is dangerous, because it’s
hard to see in fog, and you can easily get lost. Drought: This is when
there is no rain for a long time. Droughts are dangerous because
crops can’t grow, and there can be a famine.
Oxford Read and Discover
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Activity Book Answers – Level 512