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