Use the diagram to help you to answer these questions. Copy and complete these sentences in your notebook. Choose the missing words from:

Here are the answers to Activity 2:

1)

1.1 The sun provides the energy for the water cycle.

1.2 The sun heats the surface of the sea.

1.3 Warm sea water changes to water vapour.

1.4 The water vapour stays in the air and changes into clouds.

1.5 The clouds bring rain, which falls to the ground.

1.6 The rain fills rivers that flow to the sea.

1.7 The rain soaks underground and flows to the sea.

2) The water cycle is called a cycle because water continuously moves from the Earth's surface to the atmosphere and back again in a repeating process, with no definite start or end point.

3) Five ways we can use water without wasting it:

• Take shorter showers instead of baths.
• Turn off the tap while brushing your teeth or washing dishes.
• Fix any leaky faucets or pipes promptly.
• Water plants in the early morning or late evening to reduce evaporation.
• Collect rainwater for gardening or other non-drinking uses.