Directions: Choose and encircle the letter of the correct answer.
1. which siciement is inve aboui physical change
a, it does not change a material's composition.
b. It does not change a material's size and shape.
c. It does not involve the physical properties of matter.
d. It does not involve matter
2. which is a physicui changea
a. Burning toast
b. Fireworks exploding
c. Rusting bicycle
3. Which is true about chemical change?
d. Freezing chocolate-covered strawberries
a. It is reversible.
b. ii produces new maieriais.
c. It changes only a material's color and odor.
d. It does not change a material's size and shape.
4. Which shows a chemical change?
a. Burning candle
C. Burning a piece or paper
b. Chewing a piece of bread
d. Meijing a piece oi chocoiuie
5. Which process involves a physical change?
a. Frying an egg
c. Digestion
b. Photosynthesis
d. Water cycle
6. Water is boiled in a pan on stove. What change will take place?
a. vaier wii jurn inio gas.
c. waier will turn inio soig.
b. Water will turn into plasma. d. Nothing will happen to the water
7. An example of a physical change.
a. Foam and bubbles form after mixing baking soda and vinegar.
b. A glass cup falls from the counter and shatters on the ground.
c. Faper bumis up and leaves ashes.
d. A plant uses sunlight and makes food.
8. Consumers are encouraged to reduce their waste by
c. Switching to re-useak
a. Purchasing in bulk
d. All of the above
b. Buying items with less packaging
9. This means to make iess gubuge. For exampie, insieun of buying juice
buy a large container of juice and use a washable single serving contai
school.
a. Reduce
c. Recycle
b. Reuse
d. Rebuild
iū. Serena has grown vider, so her moine decided io conuie her us
of the typhoon in Samar. What waste management did Serena's me
c. Reduce
b. Repair
a. Reuse
11. Which of the following shows the proper way to recycle.
a. Scrap papers from the classroom might be turned into po
b. Buy jiems in remobie coniainers.
c. Use cloth bags or baskets when you buy groceries/mark
d. Use both sides of paper in printing
12. In his class, Mr. Ibarra told his pupils to reuse papers instead
will they do it?
a. Make an origam.
b. use it as scrap paper in math
c. give to your classmate.
d. never mind the advice of the teacher. ​