Science

5. An organism that breaks down droppings or other dead organisms
7. A tiny piece of matter that is too small to see
9. To use any of the five senses to gather information about something
10. Something taken in by plants and animals that helps them grow
12. A mixture of rocks, water, air, parts of dead organisms, and tiny living things
13. A group of atoms joined together in a particular way
14. Any factor that can be controlled, changed, or measured in an experiment
15. The stuff things are made of
17. Information that suuports an answer to a question
18. A living thing, such as an animal or plant

1. What you can observe or measure about something that helps identify or describe it
2. Something scientists make to answer questions about the real world
3. Matter that is made up of only one kind of atom or molecule
4. Matter that is made up of more than one substance
6. A community of organisms together with its environment
8. To pull on an object, even without touching it
11. A scientist that studies ecosystems
16. The ability to make things move or change