Across
- 2. – the movement of soil or rock by wind, water, or ice
- 3. – two or more substances combined without changing their properties
- 6. – the process of liquid turning into a gas
- 10. – anything that takes up space and has mass
- 13. – a test to answer a scientific question
- 14. – Earth spinning on its axis, causing day and night
- 15. – small pieces of rock, soil, or sand carried by water or wind
- 16. – a mixture where one substance dissolves in another
- 17. – when light bounces off a surface
Down
- 1. – a material that slows down heat or electricity transfer
- 4. – the force that pulls objects toward Earth
- 5. – when light bends as it passes through a substance
- 7. – the breaking down of rocks into smaller pieces
- 8. – any form of water (rain, snow, sleet, hail) falling from the sky
- 9. – a force that attracts or repels certain metals
- 11. – a force that slows down or stops movement when two surfaces rub together
- 12. resource – a natural resource that can be replaced, like sunlight or wind
- 18. – a push or pull that causes movement