Nom: ______________________________________________________ Date: _____________________________

Survol de l’unité: les fluides

Regarde dans le manuel Sciences et Technologie 8 à partir de la page 84 pour répondre aux questions qui suivent:

1. Voici les mots de vocabulaire qu’on va étudier pendant l’unité. Combien peux-tu trouver dans le manuel? Définis-les :

a. le fluide ______________________________________________________________ ________________________________________________________________________

b. la viscosité __________________________________________________________ ________________________________________________________________________

c. l’écoulement _________________________________________________________ ________________________________________________________________________

d. la masse volumique _________________________________________________ ________________________________________________________________________

e. la théorie particulaire de la matière _______________________________ ________________________________________________________________________________________________________________________________________________

f. la flottabilité _________________________________________________________ ________________________________________________________________________

g. la force ______________________________________________________________ ________________________________________________________________________

h. la pression __________________________________________________________ ________________________________________________________________________

i. la compressibilité __________________________________________________ ________________________________________________________________________

j. l’incompressibilité __________________________________________________ ________________________________________________________________________

k. hydraulique _________________________________________________________ ________________________________________________________________________

l. pneumatique ________________________________________________________ ________________________________________________________________________

Nom: ______________________________________________________ Date: _____________________________

2. Donne 5 exemples des fluides :a. ________________________________________________________________________b. ________________________________________________________________________c. ________________________________________________________________________d. ________________________________________________________________________e. ________________________________________________________________________

3. Quelle sont les 3 caractéristiques de la théorie atomique? ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

4. Quelles étaient quelques faits intéressants à propos de la viscosité et la chocolaterie à la page 96?

a. ________________________________________________________________________________________________________________________________________________

b. ________________________________________________________________________________________________________________________________________________

c. ________________________________________________________________________________________________________________________________________________

5. Comment et pourquoi les objets flottent-ils? ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

6. Après avoir feuilleter le manuel, quels aspects de l’unité te semblent intéressants? __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________