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_____1. All of the following are physical properties of matter EXCEPT
A. ductility B. combustibility
_____2. It is the ability of a material to be rigid and can resist pressure.
A. brittleness b. hardness
_____3. Which of the following materials has the ability to be stretched
and return to its original form?
A. gold B rubber band
_____4. Which is a good conductor of heat and electricity?
A.plastic cup B. metals
_____5. All of the following materials can be hammered into
thin sheets EXCEPT
A. silver B. diamond C. gold
Write PC for physical change and CC for chemical change the space provided before the number.
6. rusting metal
7. cutting paper
8. melting ice candy
9. ripening fruit
10. tearing paper
Directions: Write True if the statement is correct and False if it is wrong.
.
_ 11. Rotting fruit is a physical change.
12. Rusting chain is an example of physical change.
13. In chemical change no new material is formed.
14. Breaking a pencil is a physical change.
15. Frying an egg is a physical change.
_16. Burning matchstick is an example of chemical change.
Directions: Identify the proper technique to minimize waste in each situation below. Choose your answer from the list of 5R’s in the word below.
Reduce Reuse Recycle Repair Recover
17. Danny uses glue to reattach the sole of his shoes.
18. Lanie decides to give her small dresses to her cousin.
19. The Grade 5 class uses grass clippings for composting.
20. Eliza refuses to buy a new bag because she has three unused new bags.
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