What is the main topic discussed in this video?

• The water cycle

• The life cycle of a butterfly

• The process of photosynthesis

• The structure of the Earth

Which process involves the change from liquid to gaseous state?

• Melting

• Evaporation

• Freezing

• Condensation

At what temperature does evaporation occur?

• At any temperature between 0°C and 100°C

• Only at 50°C

• Only at 0°C

• Only at 100°C

What happens to water vapor during condensation?

• It loses heat

• It remains at the same temperature

• It turns into ice

• It gains heat

What state are clouds in during the water cycle?

• Plasma

• Gaseous

• Liquid

• Solid

Does Process Z involve a change in state?

• No, there is no change in state

• Yes, from solid to liquid

• Yes, from gas to liquid

• Yes, from liquid to gas

Which process does not involve any heat change?

• Boiling

• Process Z

• Condensation

• Evaporation

Which option correctly describes the condition for condensation?

• It occurs when water vapor gains heat

• It occurs when water vapor loses heat to cooler air

• It occurs only at 100°C

• It occurs when there is no temperature difference

Which process is incorrectly associated with a temperature of 100°C?

• Boiling

• Evaporation

• Condensation

• Freezing

What is the correct answer for the question discussed in the video?

• Option B

• Option D

• Option A

• Option C