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

Across 3. the rays meet to create an actual image (2 Words) 6. to hit an object and bounce off 8. the measure of how big or small an image is compared to the object 11. it is an optical device that lets us see far objects close up 13. light produced from a chemical reaction. 16. the lens makes objects look smaller and upright (2 Words) 17. see- through matarial is called... 18. when light refracts and splits the light into different colors. 19. it is a substance that allows objects to glow-in -the dark 20. it is a transparent glass or plastic object that can separate light

Down 1. a flexible srand of solid glass that can transmit light (2 Words) 2. very high-energy electromagnetic wave that is used to view bones. 4. range of wavelengths of electromagnetic starting from radio waves to gamma rays (2 Words) 5. the name of the light we can see with our eyes (2 Words) 7. the mirror makes objects look bigger (2 Words) 9. it describes the light produced by an object that is at very high temperature. a type of light bulb used this light 10. it is the highest point in the wave 12. the ray that hits a reflecting or refracting surface (2 Words) 14. where the rays seem to meet (2 Words) 15. when light bends as it goes through one medium into another.