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Across 2. study characteristics ,composition of matter 6. number of protons (2 Words) 8. definite shape and definite volume 9. water from rain,sleet etc 13. smallest part of matter 14. rearrangement of atoms 15. a diatomic elememt 17. super saturated solution cools down , This process 19. has mass and occupies space 20. research,question,hypothesis,experiment,observation,data ,conclusion (2 Words) 22. a safety tool in Chemistry lab 25. most active metals (2 Words) 27. watch, when conduct an experiment 30. after experiment 31. a testable statement 32. no definite shape. 33. process used to test a hypothesis 34. inert gases (2 Words) 35. particle outside nucleus.

Down 1. resource , for information of elements (2 Words) 3. solid changes to 4. Knowledge based on observation and experiments. 5. no charge 7. new substance is formed 10. gas changes 11. study of carbon compounds. (2 Words) 12. change in appearance,shape, color state 16. name of groupII elements (2 Words) 18. particle inside nucleus, Positive charge 21. Group17 elements 23. molecules are far apart 24. protons plus neutrons (2 Words) 25. to protect your clothes and body, 26. liquid changes to 28. commnicate the result (2 Words) 29. smallest of a substance