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Science 5 - Useful and Harmful Materials

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which group belongs to cleaning materials?

a)

shampoo, soap, towel, body scrub

b)

zonrox, muriatic acid, detergent powder, brush

c)

soap, shampoo, body lotion, mouthwash, perfume

d)

medicol, ibuprofen, antihistamine

2.

Some household products are results from mixture between two or more substances. Which product can be classified as medicine?

a)

medicol, neozep, ambroxol

b)

insecticide, muriatic, detergent

c)

shampoo, soap, lotion

d)

beverage reagent, benedict’s reagent

3.

Why does your mother keeps all the cleaning materials like muriatic acid, Lysol, laundry soup, dishwashing liquid in an area cannot be reached by your younger siblings?

a)

These materials are expensive.

b)

These materials are for adults only.

c)

These materials are harmful

d)

These can be used to treat diseases.

4.

Bathroom cleaners can remove stains and dirt in our bathroom. Why do we need to be extra careful in handling this material ?

a)

It can be broken.

b)

It is expensive.

c)

It contains acid that can damage our skin.

d)

It can damage our bathroom.

5.

Which of the following should be done to make rotten vegetables and fruit scraps became useful?

I. burn them

II. throw them away anywhere

III. put them in a compost pit to become fertilizer

IV. collect and process them for animals feeds

a)

I only

b)

I & II

c)

III & IV

d)

II & IV

6.

Which of the following are useful materials?

a)

plastic cup, ceramic plate, spoon and fork

b)

insecticide, pesticide, fungicide

c)

muriatic acid, stain remover, clog remover

d)

gasoline, propane, hydrogen gas

7.

Mr. Dela Cruz uses steel and cement to build his house.

a)

Useful

b)

Harmful

8.

Ann take medicine more than the prescribed dosage of her doctor to speed her recovery.

a)

Useful

b)

Harmful

9.

Mother uses the refrigerator to preserve the food.

a)

Useful

b)

Harmful

10.

Marga cleans the dishes with bathroom cleaner.

a)

Useful

b)

Harmful

11.

Alexandra used old clothes to make a broom

a)

Useful

b)

Harmful

12.

If the label has the words "harmful if inhaled" it can harm you if....

a)

you breathe it in.

b)

you eat it.

c)

you get it on your skin.

d)

you drink it.

13.

When is a material considered harmful?

a)

when it serve a purpose.

b)

when it can be reused.

c)

when it ca be recycled.

d)

when it brings harm.

14.

If a label says "CAUTION" it is...

a)

a little hazardous

b)

very hazardous

c)

not hazardous at all

15.

One of the many dangerous practice that causes accidents at home is related to non reading product label.

a)

True

b)

False

c)

Maybe

d)

not at all