ملخص درس Test and analyze materials العلوم المتكاملة الصف الأول

ملخص درس Test and analyze materials العلوم المتكاملة الصف الأول

Unit 2 lesson 2 Summary
(Test and analyze materials)

1. Float: stay or move on the surface

2. Sink: go down to the bottom

3. The shape of material can change.
a. Flexible able to bend without breaking
b. Strong able to withstand great force.

4. Bridges used to hold heavy trucks and cars. Concrete is strong enough to hold trucks and cars.

5. Some clothes are made of cotton.
Cotton is a flexible material.
It bends as you move.

6. Some raincoats are made of plastic. The plastic material does not absorb the water. (Waterproof)

7. Hard, sturdy materials are good for tables to hold. heavy materials.

8. The legs of chairs are from strong materials to sit in them.

9. The boat must be from materials do not absorb water.