Across
- 1. a low threatening noise made by an animal
- 8. author of "Oliver Twist"
- 9. belonging to them
- 12. material that reacts with another material during a chemical reaction
- 13. anything that takes up space and has mass
- 14. what you are excited to do in the lake in summer
- 15. the invisible substance long believed to be heat
- 16. far up from the ground
- 17. material formed from a chemical reaction
- 21. center of an atom
- 23. something to break
- 24. a small body of flowing water
- 25. when you don't sit you ______
- 27. man who invented the steam engine
Down
- 2. lift or move to a higher position
- 3. opposite of far
- 4. purchased
- 5. famous machine-smashers who were angry that factories were taking away their lively-hood
- 6. amount of matter in an object
- 7. type of molecule that has a positive and negative end
- 10. ability to do work
- 11. expressed mirth with a vocalization
- 12. chemical ______ change that produces one or more new materials
- 18. a material thing that can be seen and touched
- 19. a comparison of the heaviness of the same volume of two different substances
- 20. a shape with four equal sides and four right angles
- 22. a long loud or piercing cry expressing pain or anger
- 26. the one that comes after is _____