| A | B |
|---|
| Electromagnetic waves can travel through most solids, __________, _______________, and even _______________ . | liquids, gases and even through empty space |
| Name the 7 types of electromagnetic waves. | gamma rays, x-rays, ultraviolet, visible light, infrared, microwaves, and radio waves |
| What is the top of the electromagnetic wave called? | the crest |
| What is the bottom of the electromagnetic wave called? | the trough |
| What is the height of the electromagnetic wave called? | the amplitude |
| Waves of higher amplitude have more ...... | energy |
| The distance from the crest of one wave to the crest of the next wave is called the ......... | wavelength |
| The number of waves that pass a certain point each second is known as the wave's ......... | frequency |
| What is the law of reflection? | the angle of attack equals the angle of reflection |
| What is the bending of waves around objects called? | diffraction |
| The bending of waves as they change from one medium to another is known as .... | refraction |
| When 2 or more waves combine, it is known as ... | interference |
| Name the 7 colors of the visible light spectrum | violet, indigo, blue, green, yellow, orange, red |
| What colors combine to produce white. | all the colors of the rainbow |
| Which color(s) bend the most when passing through a prism? | the short violet wavelengths |
| What color(s) bend the least when passing through a prism? | the long red wavelengths |
| Why are objects black in color? | they absorb all the wavelengths of color and reflect none. |
| How many light colors can the human eye see? | about 17,ooo different tints |
| What are the primary light colors? | red, blue and green |
| What are the primary paint colors? | red, blue and yellow |
| How are images distorted in a flat mirror? | images are flipped from right to left |
| If an object is close to a concave mirror, how will the image appear? | right side up but magnified |
| If an object is far from a concave mirror, how will the image appear? | upside down and smaller than the real object |
| Describe the appearance of images in convex mirrors. | right side up and smaller than the object |
| What kind of lense is a magnifying glass? | a convex lense |
| If an object is close to a convex lens, how will the image appear? | right side up and larger than the object |
| Describe the appearance of images seen through a concave lense. | right side up and smaller than the object |
