Talk About It! discuss questions :

Talk About It! Discuss these questions and see if you know the answers about clouds.

1. What two materials form clouds?

2. What causes clouds to move across the sky?

3. What causes clouds to change their shapes?

4. When clouds or parts of clouds seem to disappear, do you think this could be due to evaporation? Explain.

Answers

1. Two things form clouds: water vapor and particles in the air.

2. Winds carry clouds across the sky.

3. Clouds shift and change shape because of air movement.

4. Yes, clouds dissipate, or seem to disappear, as the water droplets evaporate or move apart from each other.