chemistry 3rd grade

Periodic table, atomic number, Dmitri Mendeleev, neutron , polymer, chemical change, electron, volume, mass, proton, physical change, chemical property, weight, density, physical property, matter, buoyancy, width, area , length liquid, gas ,solid

1						2

												3
				4
		5
6								7
									8
9							10

	11										12
					13

	14							15		16

			17										18
	19			20

									21

						22

23

Across

1. a material's properties that become evident during or after a chemical reaction ( flammibility is one) (2 Words)

4. change that does not change item's chemical composition ( breaking) (2 Words)

6. chemical reaction involving the rearrangement of atoms ( burning) (2 Words)

8. takes the shape of its container and atoms freely move against each other

9. anything that takes up space

11. has a defined shape, does not compress easily

13. number of protons in a nucleus of an atom, determines chemical properties of an element (2 Words)

14. discovered the Periodic Table (2 Words)

19. upward force of an object in liquid or gas

21. measure of force of gravity on an object

22. negative charged part of the atom

23. measure of the amount of matter in an object

Down

2. appearance,texture, color, melting point, density (2 Words)

3. amount of matter in a space

5. part of atom with no electric charge

7. fills the space of its container and atoms move in the space away from each other

10. display of chemical elements, arranged by atomic number (2 Words)

12. positive electric charged part of the atom

15. measurement of his long something is

16. amount of space an object takes up

17. substance that has a molecular structure that consists of a large number of similar units bonded together

18. measurement of how wide something is

20. number of square units that covers a surface

Use the "Printable HTML" button to get a clean page, in either HTML or PDF, that you can use your browser's print button to print. This page won't have buttons or ads, just your puzzle. The PDF format allows the web site to know how large a printer page is, and the fonts are scaled to fill the page. The PDF takes awhile to generate. Don't panic!