I. Multiple Choice:
Directions: Read each item carefully. Write the letter of the correct answer on the
space provided.
_______1. Which of these materials can absorb water?
a. tissue pape

b. surgicalgloves c. faceshield
d. PPEcoverallsuit
_______2. A container of sanitizer was accidentally thrown on the table. You want to dry the table, which of these materials will NOT be of use?
a. cotton
b. rug made of cloth
c. paper
d. plastic bag
_______3. Why do boats float in water?
a. Boat is made of wood that makes it float.
b. Uses paddle to make the boat float.
c. Breeze makes the boat float in the water.
d. The boat is tied with a plastic string that makes it float.
________4. The following materials sink in water, EXCEPT . a. Coin
b. key
c. nails
d. Styrofoam packaging
________5. If you are going to dispose of waste materials commonly found at home, what are you going to do with decaying materials?
a. Make a compost or fertilizer.
b. Mix them with the non-decaying.
c. Throw them in the river
d. Keep them in the cabinet and use them again.
________6. Which of the following materials will SINK in the water? A. big stones
B. styro cup
C. empty bottle D. feather
__________7. What kind of materials enable the boats to float in water? A. wood/bamboo that are denser than water
B. wood/bamboo that are less dense than water
C. light metal
D. plastics that are denser than water
For number 8 to 10,
________8. What properties of materials are common among coins, spoons and iron ? I. Non-porous II. porous III. more dense than water IV. less dense than water
A. I and II B. I and IV C. III and II D. I only
________9. Which property makes these materials sink in water? A. II
B. I and III
C. III and II
D. I only
________10. Which material will most likely undergo decay? A. aluminum
B. water
C. left over foods
D. plastic cups
II. TRUE or FALSE:
Direction: Read the statement carefully and answer it whether it is TRUE or FALSE.
Write your answer on the space provided.
_________ 11. Porous is a material that has small holes capable of holding liquid or

other material.
_________ 12. Iron bars and metal spoons float in water because they are denser than the water.
_________ 13. Some materials sink like glass no matter what their shape is.
_________ 14. Wood and bamboo that are less dense than water, are the kind of materials that enable the boats to sink in water.
_________ 15. Biodegradable materials are another term for decaying materialsm