IMO Practice Test: Materials Around Us | Class 1 Science

Question 1 of 6 medium

A spoon you eat with is usually made of…

Cloth

Paper

Metal

Glass

Explanation: Spoons are usually made of metal.

Question 2 of 6 hard

A good material for a window must be…

Bumpy

Soft and furry

Smelly

See-through

Explanation: A window needs a see-through material so we get light.

Question 3 of 6 hard

You drop a plastic spoon and a metal spoon in water. What happens?

Both fly

Both float

Both sink

Plastic floats, metal sinks

Explanation: Light plastic floats; heavy metal sinks.

Question 4 of 6 medium

Rubber for tyres first comes from a…

Glass factory only

Rubber tree

Stone

Metal mine

Explanation: Rubber comes from the sap of the rubber tree, then people shape it.

Question 5 of 6 medium

Why is a pillow made of something soft?

So it is rough

So it is heavy

So it is comfy to rest your head

So it breaks easily

Explanation: Soft material makes a pillow comfy.

Question 6 of 6 medium

Why is a raincoat made of plastic, not cloth?

Cloth is shiny

Plastic is warm

Plastic keeps water out

Plastic is heavy

Explanation: Plastic does not let water through, keeping you dry.

IMO Practice Test — Materials Around Us