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Fourth Grade (Grade 4) Waves and Sound Questions

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Grade 4 Waves and Sound
Volume is how high or low a sound is.
  1. True
  2. False
Grade 4 Waves and Sound
When light strikes a surface and bounces off, what occurs?
  1. reflection
  2. invisible spectrum
  3. refraction
Grade 4 Waves and Sound
What happens to the sound an object makes when its rate of vibration decreases?
  1. Its volume increases.
  2. Its pitch rises.
  3. Its pitch becomes lower.
  4. Its volume decreases.
Grade 4 Waves and Sound
What happens to a sound if the frequency of the vibrations increases?
  1. The pitch increases.
  2. The volume decreases.
  3. The sound echos.
  4. The sound gets louder.
Grade 4 Waves and Sound
Most of the light that reaches your eyes is                 light.
  1. refracted
  2. convex
  3. reflected
Grade 4 Waves and Sound
A places where light does not fall is called a                .
  1. laser
  2. prism
  3. shadow
Grade 4 Waves and Sound
When you yell, your vocal chords                     .
  1. stay open widely
  2. take in a lot of air
  3. become long and thin
  4. move back and forth
Grade 4 Waves and Sound
How are light and sound ALIKE?
  1. Both travel as rays.
  2. Both can vary in pitch.
  3. Both depend on vibrations in air.
  4. Both are forms of energy that travel as waves.
Grade 4 Waves and Sound
A bullfrog makes a high pitch sound.
  1. True
  2. False
Grade 4 Waves and Sound
                is a form of energy produced by vibrating objects.
  1. Light
  2. Sound
  3. Gravity
  4. Friction
Grade 4 Waves and Sound
Sound waves cannot travel through                .
  1. a solid
  2. gases
  3. empty space
  4. liquids
Grade 4 Waves and Sound
                is a form of energy produced by vibrating objects.
  1. Friction
  2. Light
  3. Sound
  4. Gravity
Grade 4 Waves and Sound
Sounds cause the                 to vibrate and send a message to the brain.
  1. vocal chords
  2. eardrum
  3. sound
  4. volume
Grade 4 Waves and Sound
When watching fireworks, you always hear the boom first and then you see the bright lights.
  1. True
  2. False
Grade 4 Waves and Sound
                is the the lowest point of a wave.
  1. Crest
  2. Trough
  3. Wave
  4. Length
Grade 4 Waves and Sound
A material that allows almost all light to pass through it is                .
  1. transparent
  2. translucent
  3. opaque
Grade 4 Waves and Sound
Sound travels fastest through which of these materials?
  1. Metal
  2. Empty Space
  3. Air
  4. Water
Grade 4 Waves and Sound
Light passes through all the following materials except                .
  1. air
  2. wood
  3. water
  4. glass
Grade 4 Waves and Sound
What causes the eardrum to vibrate?
  1. Tiny bones move.
  2. The ear feels pain.
  3. Sound waves hit it.
  4. Silence surrounds it.
Grade 4 Waves and Sound
Which words describe pitch?
  1. fast, slow
  2. loud, quiet
  3. high, low
  4. big, small
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