Transfer of Energy by Objects in Motion, Waves in Water and Sound

What happens when you throw a rock into a calm surface of a lake?

• The rock travels on water.

• The rock transfers energy to the water in the form of waves.

• The surface of the water stays calm. Nothing happens.

• The back bounces right back at you, so you have to dodge it really fast.

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NGSS.MS-PS4-1

NGSS.MS-PS3-5

What causes high pitch and low pitch sounds according to the text?

• The material of the string

• The length of the string vibration

• The tightness of the string

• The size of the instrument

How does sound travel through different materials?

• Sound travels fastest in solids

• Sound travels second fastest in water

• Sound travels the slowest in air

• Sound does not travel in solids

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NGSS.MS-PS4-2

What kind of energy makes windows shake if a jet plane flies right over the house?

• Light

• Heat

• Sound (Vibrations)

• Electrical

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NGSS.MS-PS4-2

NGSS.MS-PS4-1

What are sounds equivalent to?

• Light rays

• Heat waves

• Vibrations

• Electrical currents

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NGSS.MS-PS4-2

NGSS.MS-PS4-1

How can sound be described?

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NGSS.MS-PS4-2

NGSS.MS-PS4-1

What is kinetic energy?

• The energy an object has due to its position

• The energy an object has when it is not moving

• The energy an object has due to its motion

• The energy an object has due to its temperature

Tags

NGSS.MS-PS3-1

Which of the following is an example of kinetic energy?

• A rock sitting at the top of a hill

• A compressed spring

• A flying airplane

• A stretched rubber band

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NGSS.MS-PS3-1

What happens when a pebble is dropped into a pond?

• The pebble floats on the surface.

• The pebble creates ripples that transfer energy through the water.

• The pebble dissolves in the water.

• The pebble bounces back to the shore.

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NGSS.MS-PS4-2

NGSS.MS-PS4-1

Which of the following best describes how sound travels through air?

• Sound travels in a straight line without any change.

• Sound travels as a series of compressions and rarefactions.

• Sound travels faster than light in air.

• Sound does not travel through air.

Tags

NGSS.MS-PS4-2