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Harmful Materials

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

These materials cause a chemical reaction when they are mixed with other substances.

a)

Corrosive

b)

Flammable

c)

Explosive

d)

Poisonous

e)

Reactive

2.

These materials can cause sickness or death when they are swallowed, inhaled, or absorbed through the skin.

a)

Corrosive

b)

Reactive

c)

Flammable

d)

Poisonous

e)

Explosive

3.

These are those materials that contain a lot of energy.

a)

Reactive

b)

Corrosive

c)

Poisonous

d)

Explosive

e)

Flammable

4.

These are materials that can easily catch fire when exposed to heat.

a)

Flammable

b)

Reactive

c)

Corrosive

d)

Poisonous

e)

Explosive

5.

These materials can damage or destroy the outer layer of other materials.

a)

Corrosive

b)

Flammable

c)

Explosive

d)

Poisonous

e)

Reactive

6.

Which of the following is a CORROSIVE MATERIAL?

a)
b)
c)
d)
7.

What will happen when a child accidentally swallows a mothball?

a)

He will become healthy and strong.

b)

He will be responsible of his actions.

c)

He might be rewarded by his parents with his acts.

d)

He might get sick or have a stomach upset.

8.

It is a material used in making explosives.

a)

paints

b)

water

c)

nitroglycerin

d)

salt

9.

Which of the following is a flammable material?

a)

dried leaves

b)

muriatic acid

c)

baking soda

d)

lipstick

10.

Some useful materials when improperly used become harmful.

a)

TRUE

b)

FALSE