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WorksheetsScience 5 - Useful and Harmful Materials
Total questions: 15
Worksheet time: 8mins
Which group belongs to cleaning materials?
shampoo, soap, towel, body scrub
zonrox, muriatic acid, detergent powder, brush
soap, shampoo, body lotion, mouthwash, perfume
medicol, ibuprofen, antihistamine
Some household products are results from mixture between two or more substances. Which product can be classified as medicine?
medicol, neozep, ambroxol
insecticide, muriatic, detergent
shampoo, soap, lotion
beverage reagent, benedict’s reagent
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?
These materials are expensive.
These materials are for adults only.
These materials are harmful
These can be used to treat diseases.
Bathroom cleaners can remove stains and dirt in our bathroom. Why do we need to be extra careful in handling this material ?
It can be broken.
It is expensive.
It contains acid that can damage our skin.
It can damage our bathroom.
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
I only
I & II
III & IV
II & IV
Which of the following are useful materials?
plastic cup, ceramic plate, spoon and fork
insecticide, pesticide, fungicide
muriatic acid, stain remover, clog remover
gasoline, propane, hydrogen gas
Mr. Dela Cruz uses steel and cement to build his house.
Useful
Harmful
Ann take medicine more than the prescribed dosage of her doctor to speed her recovery.
Useful
Harmful
Mother uses the refrigerator to preserve the food.
Useful
Harmful
Marga cleans the dishes with bathroom cleaner.
Useful
Harmful
Alexandra used old clothes to make a broom
Useful
Harmful
If the label has the words "harmful if inhaled" it can harm you if....
you breathe it in.
you eat it.
you get it on your skin.
you drink it.
When is a material considered harmful?
when it serve a purpose.
when it can be reused.
when it ca be recycled.
when it brings harm.
If a label says "CAUTION" it is...
a little hazardous
very hazardous
not hazardous at all
One of the many dangerous practice that causes accidents at home is related to non reading product label.
True
False
Maybe
not at all
