Across
- 1. The part of a plant that grows underground
- 3. When a liquid turns into a solid
- 4. A tool used to separate solids from liquids
- 7. A large object that orbits a star
- 10. A mixture where one substance dissolves into another
- 11. What is needed to do work or cause change
- 12. When a solid mixes into a liquid and seems to disappear
- 14. The star at the center of our solar system
- 15. The organ that controls the body
- 19. A cell that carries messages in the body
- 24. When a liquid turns into a gas
- 25. A state of matter with no fixed shape or volume
- 27. Supports the plant and transports water
- 29. A combination of two or more substances
- 31. Organs used to breathe
- 33. When gas changes into a liquid
Down
- 2. A body part made up of different tissues
- 3. A force that slows things down when they rub together
- 5. A group of similar cells that work together
- 6. A material that attracts iron
- 8. The process plants use to make food using sunlight
- 9. A state of matter that flows and takes the shape of its container
- 13. The planet we live on
- 16. Stored energy that can be used later
- 17. A group of organs working together
- 18. The organ that pumps blood
- 20. A living thing that makes its own food
- 21. The type of energy something has when it's moving
- 22. Organ that helps digest food
- 23. The process of a solid turning into a liquid
- 25. A force that pulls objects toward Earth
- 26. A small part of a plant that can grow into a new one
- 28. Earth's natural satellite
- 30. The part of a plant where photosynthesis happens
- 32. A state of matter with a fixed shape and volume