Waves

How can the behavior of light be described as it leaves the vacuum of space and enters the Earth's atmosphere?

• Light waves slow down as they enter the Earth's atmosphere from space

• Light waves slow down as they enter the Earth's atmosphere from space

• Light waves speed up and then slow down as they enter the Earth's atmosphere from space

• Light waves slow down and then speed back up as they enter the Earth's atmosphere from space.

Tags

NGSS.MS-PS4-2

Brad notices a rainbow in the sky after it has rained. He remembers learning in science class that a rainbow is a result of the interaction between light and water droplets in the sky. How could Brad best explain why he is able to see the different colors of the rainbow?

• The sunlight is refracted as different colors bounce off the water droplets.

• The sunlight is reflected as different colors bounce off different water droplets.

• The sunlight is reflected as different colors leave the water droplets at different speeds.

• The sunlight is refracted as different colors leave the water droplets in different directions.

Tags

NGSS.MS-PS4-2

Which of the following correctly identifies the speed of sound waves in a substance?

• Sound waves travel the slowest through air.

• Sound waves travel the slowest through ice.

• Sound waves travel the fastest through water.

• Sound waves travel the same through materials.

Tags

NGSS.MS-PS4-2

Which of the following options correctly organizes the speed of sound waves, from fastest to slowest, in different states of matter

• liquid, solid, gas

• solid, liquid, gas

• gas, liquid, solid

• liquid, gas, solid

Tags

NGSS.MS-PS4-2

In which of the following does light travel the slowest?

• gas

• solid

• liquid

• vacuum

A projector in the back of a room displays information on the screen at the front. Which statement best explains how you are able to see the movie on the screen at the front?

• The projector absorbs light from the room and sends it to the screen.

• The projector sends light to the screen, which refracts the light into images.

• The projector sends light to the screen, which reflects most of it to the observer's eye.

• The projector scatters light, sending it in all directions and creating pictures for the observer.

Tags

NGSS.MS-PS4-2

Which statement best describes the phenomenon that is occurring?

• Light speeds up as it moves from the air into the water causing it to refract.

• Light travels in a straight line from the air into the water causing it to reflect.

• Light travels in a straight line from the water into the air causing it to reflect.

• Light slows down as it moves from the air into the water causing it to refract.

Tags

NGSS.MS-PS4-2

ROYGBIV represents?

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

• Violet, Orange, Yellow, Green, Blue, Indigo, Red

• Red, Orange, Yellow, Blue, Green, Indigo, Violet

• Yellow, Red, Orange, Green, Blue, Indigo, Violet

What is the difference between a transverse and longitudinal wave?

• Transverse waves are characterized by particle motion being perpendicular to wave motion. A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves.

• Longitudinal waves are always characterized by particle motion being perpendicular to wave motion. A transverse wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves

• Transverse waves are always characterized by particle motion not being parallel to wave motion. A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves

• Transverse waves are always characterized by particle motion being parallel to wave motion. A longitudinal wave is a wave in which particles of the medium move in a direction perpendicular to the direction that the wave moves

Tags

NGSS.HS-PS4-5

Light can be

• reflected, refracted and absorbed

• reflected, broken, transmitted

• absorbed, reflected, opaque

• reflected, rarefied, broken

Tags

NGSS.MS-PS4-2