JASON Unit 3 puzzle

						1					2		3
						4
5
			6																	7
																	8
9															10
					11			12
									13						14
	15							16
					17
			18							19
													20
									21
				22
														23

Across 4. without oxygen 6. evidence that life was present 9. the wearing away of a planet's surface by natural forces 10. the ability to do work (pg. 86) 12. a type of rock that is formed from igneous or sedimentary rocks by high temperatures 13. a rock from space that that has landed on Earth 15. crushed rock fragments thrown in all directions when a impact crater is formed 17. vitamins, minerals and other raw materials that living things need 18. tiny, microscopic life 21. real life models that scientists use 22. inactive or asleep 23. the traces or remains of a living organism

Down 1. the red planet that we have been studying 2. liquid rock 3. someone who studies life that can be seen only through a microscope 5. a rock flying through space 6. a starting measurement that a scientist uses for an experiment 7. a sign of photsynethic life 8. a type of rock that forms by being compressed or cemented into solid layers 11. the study of how a planet's crust moves, folds and cracks 14. a type of rick that forms from hot melted rock, that cools and becomes solid 15. the planet that we live on 16. with oxygen 19. a type of extreme environment 20. pertaining to life

The look has changed! Some of the puzzles that people list for the public get indexed by the search engines (like Google). Some people find those puzzles and cannot figure out how to make a puzzle of their own. So this page now has the navigation sidebar.

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!