Unit 3: Materials Revision

How is an object cooled?

• microwave

• freezer

• oven

Which property best describes a desk?

• flexible

• hard

• shiny

Objects are made of ___________________ .

• texture

• smooth

• material

• property

Which type of material is best for building a boat?

• glass

• plastic

• paper

If you want to build a toy that is flexible, which material would be best to use?

• wood

• glass

• metal

• rubber

When something is unable to bent or forced out of shape, then it is _______.

• rigid

• transparent

• soft

Metal is used to make an armor. Why?

• Soft so it is nice to wear.

• Light so it is easy to carry.

• Flexible so can change its shape.

• Hard so it can give protection to the people inside.

We use glass to make car windscreen because _______________.

• it can break easily

• it is flexible

• light can pass through glass

Why is a chair made of pizza not a good idea?

• It is rigid

• It is not strong

A rubber band is made of rubber. Rubber is __________ and it can be stretched.

• flexible

• light

• heavy