Across
- 2. belonging naturally
- 5. An example of this is: Pure iron is naturally silver in colour.
- 9. any living thing
- 11. gas/liquid/solid
- 12. An organism that must eat another organism in order to get energy to survive.
Down
- 1. An organism that makes its own food using energy from the sun through photosynthesis.
- 3. when a substance can be mixed in with water
- 4. of the conservation of Matter, matter is never created or destroyed
- 6. All living and nonliving things that interact with each other in an environment.
- 7. two or more substances that can be easily separated
- 8. the measure of the amount of matter that an object contains
- 10. Any substance that has mass and takes up space by having volume