Water Cycle and Air Components Quiz

What are the main components of air?

• GASES , WATER VAPOUR, DUST
• plastic

• ice

What is the process of water changing into vapour called in the water cycle?

• Evaporation

• Condensation

• precipitation

• collection

Why is water harvesting important?

Explain how clouds are formed in the water cycle.

Which of the following is NOT a component of air?

• Oxygen

• Carbon dioxide

• Nitrogen

• Plastic

What is the use of oxygen in the air?

• For cooking

• For breathing

• For cleaning

• For building houses

What is the process called when rainwater is collected and stored for future use?

• Water harvesting

• Water pollution

• Water evaporation

• Water cycle

Which part of the water cycle involves water falling to the ground as rain?

• Evaporation

• Condensation

• Precipitation

• Collection

Which of these is a characteristic of air?

• It has a smell.

• It takes up space.

• It has no weight.

• It cannot move.

Why is water important for plants?

• To produce oxygen

• To make food through photosynthesis

• To grow tall

• To stop evaporation