Wave Behavior/Properties III

Which of the following are properties of waves?

• Wavelength

• Frequency

• Amplitude

• All of these are correct

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which properties of waves make up color?

• wavelength and frequency

• amplitude and frequency

• wavelength and amplitude

Tags

NGSS.MS-PS4-1

Waves move _____, not matter.

• light

• sound

• energy

Tags

NGSS.MS-PS4-1

A mechanical wave

• needs matter to travel through

• does not need matter to travel through

Answer explanation

A mechanical wave is a disturbance in matter that transfers energy through matter.

An electromagnetic wave

• needs matter to travel through

• does not need matter to travel through

Answer explanation

An electromagnetic wave does not need matter to travel through to transfer energy. It can travel in a vacuum like space.

Transmittance occurs when

• energy of the wave bounces off a medium.

• energy bends when it contacts the medium

• energy of the wave passes through the medium

• energy of the wave transfers into the medium

Answer explanation

An example of wave transmittance is when a sound wave passes through the wall making it possible to hear music from the living room when you are studying in your room at the other end of the house.

Tags

NGSS.MS-PS4-2

__________ is when waves hit matter and bounce off of it.

• Reflection

• Absorption

• Frequency

• Transmittance

Answer explanation

An example of reflection is when a sound wave is reflected off a rock wall creating an echo.

Tags

NGSS.MS-PS4-2

Absorption happens when

• energy of the wave passes through the medium

• energy of the wave bounces off of a medium

• energy of the wave bends when it contacts the medium

• energy of the wave transfers into the medium

Answer explanation

An example of absorption is when an artist is singing in a sound booth. The walls are insulated to absorb the sound waves.

Tags

NGSS.MS-PS4-2

When a wave changes direction slightly as it goes through another medium, it has

• Absorbed

• Refracted

• Transmitted

• Reflected

Answer explanation

Refraction is the slight bending of light. Light bends whenever it travels from one transparent material to another because it changes speed.

Tags

NGSS.MS-PS4-2

The electromagnetic spectrum includes

• Sound waves, water waves, and seismic waves

• radio waves, microwaves, infrared waves, visible light, ultraviolet light, x-rays, and gamma rays

• Longitudinal waves, transverse waves, surface waves

Answer explanation

Tags

NGSS.MS-PS4-2