You're Going Down!
1. The light that you see from objects such as grass and flowers is actually __________light, not light that they emit themselves.
reflected
6. A _______ would be used to measure angles of reflected beams of light.
protractor
11. To make a ______ pitch when plucking a rubber band, stretch the rubber band more.
higher
14. In a can _____ phone, the sound waves travel on the string.
string
3. Humans can see a particular color like green because all other colors are ________, so the only thing you see is the green light reflected back.
absorbed
2. Objects in water appear to be a different size because when the light rays pass from the air into the water they change speed. This change in speed will appear to _______ the light and distorts the image of the objects
bend
7. You need at least _____mirrors to redirect a laser pointer.
two
12. In order to make a ______volume when plucking a rubber band, pluck the rubber band harder.
louder
13. Can string phones work when the string is ___________ to all vibrations to travel.
taught
5. If light strikes a plate mirror at a 45° angle of incidence the resulting angle of reflection will be _____
45°
3. Humans can see a particular color like green because all other colors are absorbed, so the only thing you see is the green light __________ back.
reflected
8. We say that a material can _______ light when light bounces off the material and then travels back.
reflect
13. Can string phones work because speaking into a can turns sound waves into _________. These vibrations run down the string and vibrate the other can. We then hear this as sound waves.
vibrations
12. In order to make a ________volume when plucking a rubber band, pluck the rubber band harder.
louder
6. A _________would be used to measure angles of reflected beams of light.
protractor
4. A _______ object is one that absorbs all colors of light.
black
9. In an investigation, _______ the shape of the glass will change the angle of light entering the glass and this will change how light is refracted.
changing
14. In a can string phone, the sound waves travel on the ______.
string
11. To make a _____ pitch when plucking a rubber band, stretch the rubber band more.
higher
7. You need at least _____ mirrors to redirect a laser pointer.
two
5. If light strikes a plate mirror at a 45° angle of incidence the resulting angle of reflection will be _____
45°
10. When you conduct the arrow refraction investigation, the arrow appears _______ because light is bent as it enters the water, and again as it exits. The two light paths cross, making the direction of the arrow appear crossed
reversed
10. When you conduct the refraction investigation, the laser appears to stop refracting at ___________ degrees, becoming a total internal reflection.
50
9. In an investigation, ________ the shape of the glass will change the angle of light entering the glass and this will change how light is refracted.
changing
8. We say that a material can _______light when light bounces off the material and then travels back.
reflect