Across
- 3. an action taken to stop something harmful from happening
- 5. small, living things that can only be seen with a microscope
- 7. to say that you will not do something that someone asks you to do
- 8. to try and cure an illness with medication
- 9. not often seen or found
- 10. to try to find out facts to learn more about something
Down
- 1. things the body makes to fight disease
- 2. to look carefully at something in order to learn more about it
- 4. to try and stop something from happening
- 6. small, living things that can cause illness
