Leçon 3: Qu`est-ce qu`un test objectif?

5e année : Matière à changement
Leçon 3: Qu’est-ce qu’un test objectif?
Test :
Matériel :
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Marche à suivre
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Préparé par Sylvie Brûlé : https://unebellefacon.wordpress.com/
5e année : Matière à changement
Résultats
1. Pourquoi est-il important de soumettre un produit à un test qui ne vérifie qu’un seul facteur à la fois?
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2. Pourquoi certains matériaux gardent-ils les substances chaudes ou froides?
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3. Quels autres produits doivent constituer des isolants thermiques (de chaleur) efficaces? Pourquoi?
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Rédige un rapport pour vendre ton contenant isolant pour boisson à un fabricant. Inclus dans ton
rapport les résultats de tes tests sur les matériaux et un schéma annoté qui explique les
particularités diverses de ton contenant isolant pour boisson.
Préparé par Sylvie Brûlé : https://unebellefacon.wordpress.com/
5e année : Matière à changement
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Préparé par Sylvie Brûlé : https://unebellefacon.wordpress.com/
5e année : Matière à changement
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Préparé par Sylvie Brûlé : https://unebellefacon.wordpress.com/