Across
- 3. variable that is measured in an experiment
- 5. where the elements are organized
- 9. beryllium
- 12. observations based on facts
- 17. added to a substance during melting
- 18. location of the protons and neutrons
- 19. unit of measurement for length
- 20. unit of measurement for mass
- 21. state of matter with particles that fill the container
- 23. change from a liquid to a gas
- 25. Christmas colors
- 29. Frosty's wife
- 30. state of matter with tightly packed particles
- 31. part of the experiment that is used to compare results
- 32. change from a liquid to a solid
- 34. what King Henry died from
Down
- 1. increases with a decrease in pressure
- 2. negatively charged particles
- 4. type of tree given on the first day of Christmas
- 6. what the scientist changes in an experiment
- 7. famous elf
- 8. positively charged particles
- 10. particles with no charge
- 11. change from a gas to a liquid
- 13. observations based on opinions
- 14. change from a solid to a liquid
- 15. Iron man's favorite element
- 16. observation that includes measurements
- 22. most famous snowman
- 24. building blocks of matter
- 26. guides Santa's sleigh
- 27. observation that includes description of characteristics
- 28. one liter is equal to 1000 ______________.
- 33. a spinning top with four sides