Unit 5 Test Review (S8P4e & S8P4g)

Which of the following best describes the relationship between the density of a medium and the speed of sound waves traveling through it?

• Sound waves travel faster in denser media.

• Sound waves travel slower in denser media.

• Sound waves travel at the same speed in all media.

• Sound waves do not travel through denser media.

Tags

NGSS.MS-PS4-2

If a light wave passes from air into water, which of the following changes occur?

• The light wave speeds up and bends away from the normal.

• The light wave slows down and bends towards the normal.

• The light wave speeds up and bends towards the normal.

• The light wave slows down and bends away from the normal.

Tags

NGSS.MS-PS4-2

A student observes that a sound wave travels faster in steel than in air. What can be inferred about the density of steel compared to air?

• Steel is less dense than air.

• Steel is more dense than air.

• Steel and air have the same density.

• Density does not affect wave speed.

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Which of the following is an example of light being absorbed by a material?

• A mirror reflecting sunlight.

• A black shirt getting warm in the sun.

• A prism creating a rainbow.

• A window letting sunlight through.

Tags

NGSS.MS-PS4-2

How does the density of a medium affect the wavelength of a sound wave traveling through it?

• Higher density increases the wavelength.

• Higher density decreases the wavelength.

• Density does not affect wavelength.

• Higher density makes the wavelength infinite.

Tags

NGSS.HS-PS4-1

Which of the following best describes how sound waves are reflected?

• Sound waves are absorbed by all surfaces.

• Sound waves bounce off surfaces at the same angle they hit.

• Sound waves pass through all surfaces.

• Sound waves are only reflected by metal surfaces.

Tags

NGSS.MS-PS4-2

A light wave travels from water into air. What happens to its speed and direction?

• The speed decreases and it bends towards the normal.

• The speed increases and it bends away from the normal.

• The speed decreases and it bends away from the normal.

• The speed increases and it bends towards the normal.

Tags

NGSS.MS-PS4-2

Which of the following best describes how light waves are transmitted through a transparent material?

• Light waves are absorbed by the material.

• Light waves pass through without changing speed.

• Light waves pass through and may change speed.

• Light waves are reflected by the material.

Tags

NGSS.MS-PS4-2

A sound wave travels from air into water. How does this affect the wave's speed and frequency?

• Speed increases, frequency decreases.

• Speed decreases, frequency increases.

• Speed increases, frequency remains the same.

• Speed decreases, frequency remains the same.

Tags

NGSS.MS-PS4-2

Which of the following scenarios best illustrates diffraction of waves?

• Light bending as it enters a glass prism.

• Sound waves bending around a corner.

• A mirror reflecting sunlight.

• A black shirt absorbing heat.