Changing the state

1. A piece of bread is an example of a...

• Gas

• Solid

• Liquid

2. A snow is a ...

• Liquid

• Gas

• Solid

3. The oil that we cook is ....

• Gas

• Liquid

• Solid

4. The air that we breathe is ...

• Solid

• Gas

• Liquid

5. The clouds that we see in the sky are...

• Solid

• Gas

• Liquid

6. How do we call the fast process of changing state of the water from liquid to gas state?

• Evaporation

• Condensation

• Melting

• Boiling

7. What do we call freezing point?

• When the state changes from the liquid to the gas.

• When the state changes from the liquid to the solid

• When the state changes from the solid to the liquid.

8. What do we call melting point?

• When the state changes from the gas to the liquid.

• When the state changes from the solid to the gas.

• When the state changes from the solid to the liquid.

9. What do we call condensation?

• When the state changes from the liquid to the gas.

• When the state changes from the gas to the liquid.

• When the state changes from the liquid to the solid.

• When the state changes from the solid to the liquid.

10. How do we call this process?

• Boiling

• Freezing

• Evaporation

• Condensation