Across
- 3. The ____ of an object tells us how massive something is for its size
- 5. Materials ______ as they get hotter
- 6. When the temperature of a material, its particles move _______
- 9. When a liquid _______, it gradually changes to a gas
- 12. Air is much less dense than water, so a beachball _____
- 14. An objects weight depends on its _____ in the universe
- 15. Gases fill the _____ of their containers
- 17. Anything that has mass and takes up space is ____
- 18. Mass is often measured in _____
Down
- 1. An objects ability to float is called its _____
- 2. Scientists use a quantity called the ____ to measure force
- 4. Solids keep their _______
- 7. The liquid in a _______ expands or contracts with changes in temperature
- 8. Materials _______ as the get cooler
- 9. A measure of how much space a sample of matter takes up is ______
- 10. The ____ of an object is a measure of the force of gravity between Earth and the object
- 11. When materials ______ energy well,they allow energy to flow through them easily
- 13. Substance that are ______ expand or contracts the most with changing temperature
- 16. _____ take the shape of their containers
- 17. A measure of the amount of matter in an object is _____