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Science Chapter 4
Light, Color, and Sound
| Question | Answer |
|---|---|
| Light can carry information in a beam that doesn’t spread out | laser light |
| A mirror whose center section curves away from an object | concave mirror |
| The type of wave that carries sound is a _____. | compressional wave |
| A pleasant sound with regular wave patters is called _____. | Music |
| The bending of a wave as it travels from one material to another is_____. | Refraction |
| The number of waves that pass a point in a given time is the wave’s _____. | Frequency |
| Unpleasant, irregular sound is called _____. | Noise |
| Light rays that are reflected or refracted may meet at a_____. | Focal Point |
| A sound wave that carries a lot of energy and has a large amplitude has a lot of _____. | Intensity |
| Light energy travels as a _____. | Transverse Wave |
| Light, x-rays, and radio waves contain _____ with different amounts of energy. | Photons |
| This book is an example of a _____ object. (you can't see through it.) | Opaque |
| You can see objects on the opposite side of a _____ object. (you can see through it.) | Transparent |
| The ____ of a transverse wave is shown by the height of the crest or trough of a wave. | Amplitude |
| When the frequency of a note is twice the frequency of another, the two notes are a(n) _____ apart. | Octave |
| Light rays reflected from a _____ spread out. | Convex mirror |
| ____________________ thought that light traveled in straight lines and at high speeds. | The Greeks |
| ____________________ thought light traveled as particles. | Newton |
| ____________________ believe that light acts like both particles of energy moving in a wave pattern. | Scientists |
| ____________________ is the matter that carries transverse waves in oceans. | Water |
| ____________________ does not need matter to travel. | Light energy |
| ____________________ is the bouncing of a wave off a smooth surface. | Reflection |
| ____________________ is when light travels through a thin, glass fiber. | Fiber Optics |
| ____________________ lens is similar to the lens in your eye. | Convex |
| ____________________ is a light made up a of single wavelength. | Laser |
| ____________________ is a mixture of all different colors of light. | White light |
| ____________________ is the light you see. | Visible |
| ____________________ is all waves that radiate from the sun. | Electromagnetic Spectrum |
| ____________________ is the sensation you get when you see all the colors at once. | Black |
| ____________________ are light sensitive cells. | Cones |
| ____________________ measures the amount of energy in a wave. | Intensity |
| ____________________is a reflection of a sound from a smooth, hard surface. | Echo |
| ____________________ is how high or low a sound seems. | Pitch |
| ____________________ uses sound waves to measure distance. | Sonar |
| Light moves in ___________ | waves |
| The distance from the middle of a wave to the crest is called: | amplitude |
| When light bounces off a rough surface, the light is: | scattered |
| If you are going to drop something is water, you need to account for: | refraction |
| To see all colors in the spectrum, you really only need to see: | three colors |
| A colorless, transparent object transmits: | light |
| In order for there to be sound, matter has to: | vibrate |
| Humans can hear from a range of: | 20-20,000 hertz |
| When sound bounces off a smooth surface, it creates an: | echo |
| Sound beyond the range of human ears is: | ultrasound |
| What kind of wave does sound travel in? | Compressional Wave |
| What kind of wave does light travel in? | Transversal Wave |
| Which is faster- sound or light? | Light |
| What is the biggest difference is the way sound and light travel? | Sound must have matter to travel; light doesn't have to have matter to travel. |