1. This water is found in glaciers as ice and snow.

• a) liquid water

• b) solid water

• c) water as gas or vapour

2. Where can we find saltwater?

• a) lakes

• b) rivers

• c) seas

3. When the sun evaporates the water from the seas and rivers, where does the water vapour goes to?

• a) Underground

• b) Polar regions

• c) To the atmosphere

4. The process of a liquid changing to a gas, especially by heating is?

• a) Condensation

• b) Evaporation

• c) Sublimation

5. This is water released from clouds in the form of rain, freezing rain, snow, or hail. Most of this water cycle falls as rain.

• a) Condensation

• b) Transportation

• c) Precipitation

6. Air pollution is a mixture of solid particles and gases in the air. Air pollution is...

• a) Natural catastrophe

• b) Man-made disaster

7. An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially the marine ecosystem. Oil spill is a ...

• a) Natural catastrophe

• b) Man-made disaster

8. A tropical cyclone is a rapid rotating storm originating over tropical oceans from where it draws the energy to develop. A tropical cyclone is ...

• a) Natural catastrophe

• b) Man-made disaster

9. Endangered animals are animals that are in danger of becoming extinct. This means that there will be no more of these animals alive on earth. Endangered animals are ...

• a) Natural catastrophe

• b) Man-made disaster

10. It is the contamination of water bodies, usually as a result of human activities. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. Water contamination is ...

• a) Natural catastrophe

• b) Man-made disaster