Across
- 4. a tool used to see very tiny things up close
- 8. found on the Earth’s surface; tiny rocks and dead plants and animals
- 9. the tiny openings on plant leaves that take in air
- 10. information that can be used to support or reject an idea
- 11. how living things are connected through what they eat
- 12. a state of matter, such as carbon dioxide in the air
- 13. to describe something using numbers that can be compared
- 14. anything that takes up space and has weight
Down
- 1. a living thing that makes its own food
- 2. a test used to discover new information about a question
- 3. a part of a plant that can grow into a baby plant
- 5. a type of gas that plants take in and that animals release when they breathe
- 6. a tool that weighs two items and compares them to see which one isheavier
- 7. to say or write an idea
- 8. the different forms of matter that include solid, liquid, and gas