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Sound is a type of mechanical energy transmitted in the form of-

• light
• heat
• waves
• electrons

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which makes a sound with the slowest vibration?

• drum
• flute
• whistle
• harmonica

A student plans to investigate how sound changes when 4 bottles with different amounts of liquid are struck with a mallet. In which order should the bottles be placed so sound changes from low pitch to high pitch?

• A B D C
• B A D C
• B C A D
• C D B A

Tags

NGSS.MS-PS4-1

Which material will sound travel through fastest?

• water in a pool
• a metal rod
• empty space
• air in a balloon

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Blowing through a straw produces a sound. Which straw makes the highest pitch?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1

During a thunderstorm, you see lightning before you hear thunder. This is because-

• light has a greater mass than sound
• sound has longer wavelengths than light
• light travels faster than sound
• sound and light travel at the same speed

Sonar helps people find which information about an object?

• color
• weight
• temperature
• location

Which wave has the longest wavelength?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS4-1

Which number on the diagram shows wavelength?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS4-1