Across
- 4. a substance made of a single type of atom
- 5. a change that occurs when matter changes form (shape, size) but no new type of matter is formed
- 8. matter with definite volume but indefinite shape, in which the particles move around each other freely but do not expand to fill any container
- 12. to separate and spread out particles of matter into another substance
- 13. pictures, symbols, or physical examples that help explain something that we cannot directly observe
- 14. a plan that is used to find and develop solutions to a problem
- 17. a solid formed from a chemical change
- 19. to change state from gas to liquid
- 23. ____________ might you use to prove that the air you breathe takes up space?
- 26. a quality, trait, or detail used to describe something
- 27. a small particle of chemical matter
- 28. tiny pieces of matter that are too small to be seen
- 30. ___________________ that you sprinkle on your food can be collected by letting seawater evaporate from shallow pools like these.
- 31. the science of what matter is made of and how matter changes
- 32. a way to solve a problem
Down
- 1. to maintain a constant quantity
- 2. a substance made of one or more kinds of atoms joined together by chemical bonds
- 3. the result when two or more types of matter interact to form a new type of matter
- 6. __________________ is a measurement of volume, an amount of space that matter fills up.
- 7. a combination of different types of matter that can usually be separated back into its original parts
- 9. matter with definite shape and volume, in which the particles are rigidly arranged in place
- 10. ___________________ is added, solid matter such as glass or steel will melt, as ice does, and become liquid.
- 11. a quality, trait, or detail used to describe something
- 15. matter with indefinite volume and shape, in which the particles move around freely and expand to fill any container
- 16. the different physical forms of matter
- 18. a specific type of matter made of particles of the same type
- 20. a connection that holds atoms together
- 21. to change form from liquid to gas
- 22. to grow bigger
- 23. ____________ condenses to form morning dew.The amount of water stays the same as it undergoes a change of state.
- 24. information that helps answer a question, support a claim, or solve a problem
- 25. the process involved when matter changes from a liquid to a gas
- 29. anything that has mass and takes up space
