Across
- 2. A straight line that shows how light travels.
- 3. This helps bones move.
- 7. A state of matter with a fixed shape.
- 8. An animal that eats only meat.
- 10. A living thing that makes its own food using sunlight.
- 11. A state of matter that flows and takes the shape of a container.
- 12. A power source used in a circuit.
- 13. Hot melted rock that flows from a volcano.
Down
- 1. When a liquid turns into a solid.
- 4. A complete path for electricity to flow.
- 5. A state of matter that spreads out to fill space.
- 6. A shiny surface that reflects light.
- 7. Protects the brain.
- 9. Formed when an object blocks light.
- 12. This lights up when electricity flows through it.