Review all: Heat and sources and the uses of electricity

1. Sources of heat are things that are produce heat. Heat makes things become ...

• Cool

• Cold

• Fresh

• Warm

2. The ... is our main source of heat.

• Moon

• Sun

• Star

• Fire

3. Here are examples of other sources of heat, except ...

• Burning wood

• Burning gas

• Clothes

• Electrical equipment

4. We can find electrical equipment in our house. Here are the examples of electrical equipment, except ...

• Desk

• Iron

• Oven

• Burning gas

5. People, ...., and plants use heat from the sun.

• Non-living things

• Animals

• Water

• Air

6. People use heat from the sun to dry many objects like ... and shoes

• Wet clothes

• Dry clothes

• Dry shoes

• Dry mattresses

7. Some people use special ... on rooftops to gather heat from the sun.

• Laser

• Light

• Panels

• Hose

8. The heat is used to warm water in water ...

• Glass

• Bowl

• Hose

• Tanks

9. Some animals depend on the heat from the sun to keep their body ....

• Hot

• Cool

• Warm

• Fresh

10. The lizard and ... need heat from the sun to keep warm.

• Worm

• Snake

• Iguana

• Mosquito