Across
- 3. A ____ is formed when light is completely/partially blocked.
- 5. A syringe filled with air ____ be pushed to a certain extent.
- 6. Light travels in a ______ line.
- 8. Light is a form of ______.
- 9. Sand is in the ____ state.
- 10. Plastic is used to make raincoats because it is __.
Down
- 1. An inflated balloon is heavier than a deflated one because air has ___.
- 2. All matter has mass and ____ space.
- 4. Matter in liquid state has a ____ volume.
- 7. A grasshopper has a _____-staged life cycle.
