Across
- 5. a pathway where electrical energy can flow
- 7. use sunlight to make food
- 9. a mixture that is not easily separated
- 11. when a liquid or solid falls from the sky
- 13. a community of living and nonliving things in their natural environment
- 15. something an organism is not born knowing how to do
- 16. any characteristic that helps a plant or animal survive
- 17. a part or piece of the organism
- 18. when a liquid is heated up and changes into a gas
- 20. how much matter is in something
Down
- 1. something that is nonliving
- 2. making a complete spin on its axis
- 3. a dark spot made when an object blocks light
- 4. breaks down dead plants and animals
- 6. the waste and remains of plants and animals
- 8. How many forms of energy are there?
- 10. 3 natural resources; oil, coal and natural gas
- 12. this happens through wind, water and ice
- 14. sediments being dropped off
- 19. the force of objects pushing down on other objects