Material Properties Review Year 4

What are two key properties of glass?

• transparent

• flexible

• opaque

• waterproof

Rubber is suitable for raincoats because it is... (select all suitable answers)

• heavy

• flexible

• waterproof

• transparent

What material is often used when building a writing pencil?

• wood

• metal

• plastic

• cotton

When we used pegs to test the tensile strength of items, we noticed if the material ____, tore or stretched.

A fair investigation involves changing how many variables?

• 4

• 12

• 1

• as many as you like

Select the material below, which is waterproof

• wool

• plastic

• paper

• cotton

Select the material below that could be described as being opaque (not see through).

• glass

• wood

• plastic

• tissue paper

Which two materials are your school chairs made from?

• wood

• plastic

• rubber

• metal

Metal would not be suitable for making clothes from because it is...

• flexible

• inflexible and heavy

• see-through

• lightweight

Select a material that would be suitable to use to build a car window from.

• metal

• wood

• plastic

• glass