NGSS.MS-PS4-2

A medium is...

• a substance that transmits waves.
• a requirement for transmission of light waves.
• the movement of material in front of a sound wave.
• the density of air in a particular setting.

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NGSS.MS-PS4-2

When a wave strikes an object and bounces off

• medium
• refraction
• reflection
• interference

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NGSS.MS-PS4-2

What is an image called that forms when light rays actually meet

• virtual image
• real image
• diffuse reflection
• regular reflection

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NGSS.MS-PS4-2

What type of wave behavior is pictured above?

• Refraction
• Reflection
• Absorption
• Diffraction

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NGSS.MS-PS4-2

Material (matter) through which a wave travels

• medium
• Doppler Effect
• sound
• pitch

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NGSS.MS-PS4-2

It can travel through solids only

• Love waves

• Rayleigh waves

• Primary waves

• Secondary waves

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NGSS.MS-PS4-2

Mechanical waves (like sound) cannot travel through...

• metal

• a tree

• empty space (vacuum)

• a door

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NGSS.MS-PS4-2

This method of heat transfer happens through electromagnetic waves.

• Conduction

• Convection

• Radiation

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NGSS.MS-PS4-2

In movie theaters, they build the walls between theaters with materials that block the sounds from traveling to the next theater. What material would be best?

• Materials that transmit sound waves.

• Materials that absorb sound waves.

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NGSS.MS-PS4-2

This is when sound waves reflect or bounce off an an object.

• Echo

• Transmission

• Refraction

• Absorption

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NGSS.MS-PS4-2