Across
- 1. a substance is ______ dense if it sinks in a liquid
- 7. the thing that changes in an experiment
- 9. has a definite volume but takes the shape of its container
- 11. the amount of heat in a substance
- 14. this substance dissolves in another substance
- 17. being protected from harm in a lab
- 19. a mater that slows down or stops energy from flowing freely
- 21. observable or measurable ways to classify matter
- 23. when two or more substances become 1 and cannot be separated easily
- 24. a material that allows energy to flow freely
- 25. the tool that protects your eyes
- 26. the amount of matter in a substance
- 28. this substance is able to dissolve other substances
Down
- 1. anything that takes up space
- 2. a tool that can separate mixtures
- 3. has a definite shape and volume
- 4. whether a substance floats or sinks in a liquid
- 5. an educated guess
- 6. a particular kind of matter that can be solid, liquid, or gas
- 8. a tool that can separate solutions
- 10. two or more substances that can be separated easily
- 12. liquid to a gas
- 13. to group objects
- 15. has no definite shape or volume
- 16. solid to liquid
- 17. the tool used to measure force
- 18. 100 degrees Celsius
- 20. a substance is ______ dense if it floats in a liquid
- 22. the unit used to measure force
- 27. a push or pull
- 29. the amount of space a substance takes up