Family and Friends 5 ( Our planet 2)

2. A place where fresh water comes out of the ground. 3. The energy we use to make machines work. 4. A flat piece of glass that catches the sun's energy. 5. A long, thick piece of wood you use to hold up a roof.

1. Materials we can burn to make electricity, for example coal and oil. 4. A window in the roof to let light in. 6. Soft, wet earth.