sound energy

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Tags

NGSS.MS-PS4-2

Sound is caused by? 

• force
• vibrations
• instruments

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NGSS.4-PS4-1

NGSS.4-PS3-2

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

Tags

NGSS.4-PS4-1

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Tags

NGSS.4-PS4-1

Sound is a form of? 

• energy
• pitch
• volume

Tags

NGSS.4-PS4-1

NGSS.4-PS3-2

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

Tags

NGSS.1-PS4-1

A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

Tags

NGSS.4-PS4-1

To make a sound from a stringed instrument louder you must

• hit it
• pluck it harder
• hold it higher
• pluck it softer

Tags

NGSS.4-PS4-1

NGSS.4-PS3-2

The highest pitch is made by the _______ instrument.

• biggest
• wooden
• smallest
• shiniest

Tags

NGSS.4-PS4-1

NGSS.4-PS3-2

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

Tags

NGSS.4-PS4-1