Across
- 3. all substances of the universe that can be seen, touched, measured, have weight, and take up space
- 5. log a fallen tree that helps other things live and grow
- 8. the natural environment of an animal or plant
- 10. the ability to cause a change (in motion, sound, heat, light and/or electrical current)
Down
- 1. a living thing that produces its own food, rather than consuming another living thing
- 2. an organism that gets matter and energy by eating other organisms
- 4. a tiny piece
- 6. loose material that covers the ground, made of rock particles, organic matter, air, and water
- 7. a type of matter made of particles that are moving freely in space
- 9. to take in or soak up