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SECOND SUMMATIVE
TEST
Science
Directions: Select the letter of the best answer.
1. Gold can be shaped into rings. What property does gold have?
a. hardness
b. elasticity
c. brittleness
d. malleability
2. Rubber bands can be used to secure things tightly because they can be stretched and can go back to their original shape. What property do rubber bands have?
a. hardness
b. strength
c elasticity
d. brittleness
3. Wood is made into chopping boards. What property does wood have?
a. hardness
b. softness
c. brittleness
d. elasticity
4. Which solid material does not belong to the group?
a gold bracelet
b. silver ring
c iron nail
d. plastic spoon
5. Metal is a substance. Why is it used for making machines?
a. Metal has many colors
b. Metal is shiny
c. Metal is strong
d. Metal is made of gold
6. Which of the following is NOT an example of physical change?
a. burning of leaves
b. cracking if grounds
c cutting if trees
d. pounding of rocks
7. Which of the following examples show a chemical change?
a. molding of clay
b. rusting of paper clip
c sharpening of pencil
d. bending of paper clip
8. What evidence shows chemical change?
a. formation of precipitate
b. formation of gaa or smoke
c formation of a new substance
d. all of the above
9. What will happen if a liquid will be exposed to a very low temperature?
a. it will melt
b it will freeze
c it will sublime
d it will evaporate
10. What chemical reaction may take place when an object burns?
a. corrosion
b. evaporation
c. combustion
d sublimation
11. What causes rust to form?
a. reaction of iron to heat
b. reaction of iron to force
c. reaction of iron to oxygen
d. reaction of iron to cold weather
12. When water is boiled, part of it becomes water vapor. Which if the following describes the change?
a. phase change
b. chemical change
c change of energy
d. change in molecule
13. Which of the following objects is an example of a physical change?
a baking a cake
b. rotten fruits
c explosion of fireworks
d. a glass broken into pieces
14. Which of the following will produce rust wgen ut is wet?
a. a ball
b. a comb
c. a nail
d. a paper plate
15. Evaporation takes place when a __ changes into a __.
a. solid, liquid
b gas, liquid
c. solid, gas
d. liquid, gas
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