Across
- 5. medicines that kill microorganisms, especially bacteria
- 7. an organism that is too small to be seen with the naked eye
- 9. the relative size of things
- 11. the process of making clear how your evidence supports your claim
- 12. tiny organisms that are made of a single cell
Down
- 1. a claim supported by evidence
- 2. a group of the same type of organism living in the same area
- 3. all of the microorganisms that live in a particular environment, such as a human body
- 4. too small to be seen with the naked eye
- 6. living things, such as plants, animals, and bacteria
- 8. sickness caused by harmful microorganisms
- 10. a proposed answer to a question about the natural world
- 13. the tiny structures that make up all living things and are the smallest units able to perform life functions
- 14. information about the natural world that is used to support or go against (refute) a claim