Science Revision Crossword

3. An animal that hunts and eats other animals for food.
6. A complete path that electricity can travel around.
9. To stay on top of water instead of sinking.
11. The organ in your body that pumps blood around your body.
12. Different from what is normal or expected.
13. A push or a pull that can make something move, stop, or change direction.
14. A rock that is made from layers of sand, mud, and tiny pieces of rock pressed together over time.
17. A 3D shape with two flat circular ends and one curved side.
20. The beat you can feel when your heart pumps blood through your body.
21. Blood vessels that carry blood back to the heart.

1. Tiny living things that can sometimes make people sick and sometimes help us.
2. The body system that moves blood around the body.
4. A force that slows things down as they move through the air.
5. The second planet from the Sun and the hottest planet in our Solar System.
7. A tiny germ that can spread between people and make them ill.
8. The star at the center of our Solar System that gives us light and heat.
10. The planet we live on.
15. A rock that is made when hot melted rock cools down and becomes hard.
16. A blood vessel that carries blood away from the heart.
18. The organs you use to breathe in oxygen and breathe out carbon dioxide.
19. The time when a child's body starts to grow and change into an adult body.