Science Test #1 Q.3
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What is the meaning of pitch
How high or low a sound is
What is the meaning of reflection
When light waves hit an object and change direction
What is the meaning of frequency
The number of sound vibrations per second
What is the meaning of vibration
A rapid movement back and forth
What is the meaning of wavelength
The distance from one wave to the next
How are all sounds formed
Movement
How does sound travel
In waves
How do dolphins hear sounds up to a mile away
Sound travels faster in water than air
Which of the following are related to pitch
Frequency, how high a sound is, how low a sound is
Which of these are safe to hear regularly with no ear protection
Rainfall and leaves rustling
What happens if a jet breaks the sound barrier
A sonic boom (very loud noise) will happen
What happens if you add more energy to sound
The sound will be louder
How do objects reflecting and absorbing light explain color
We see colors that are reflected into our eyes
What does refraction mean
When light passes from air to water it slows and bends