1. What is matter made of?

• a. molecules

• b. ice cubes

• c. gas

• d. liquid

2. Which state of matter is not compressibility?

• a. solid

• b. oxygen

• c. gas

• d. helium

3. What is the formula of water?

• a. CO2

• b. H2O

• c. NH3

• d. C4H10

4. Which is an example of a liquid?

• a. juice

• b. glass

• c. chair

• d. door

5. What taste do alkalis have?

• a. sweet

• b. bitter

• c. salty

• d. sour

6. What is the melting point of ice?

• a. -160 °C

• b. -100 °C

• c. 0 °C

• d. -10 °C

7. Which is not a way for separating mixtures?

• a. filtration

• b. evaporation

• c. distillation

• d. corporation

8. What do you call when matter changes from a liquid to a solid?

• a. evaporation

• b. melting

• c. freezing

• d. condensation

9. What do you call when matter changes from a solid to a liquid?

• a. freezing

• b. melting

• c. evaporation

• d. condensation

10. In which state does water take up the most space?

• a. metal

• b. solid

• c. liquid

• d. gas