Waves Test Review

What causes the speed of a wave to decrease?

• It passes from air to a less dense material.

• It passes from air to a more dense material.

Tags

NGSS.MS-PS4-2

Which describes the property of a wave that allows it to bounce off a surface?

• diffraction

• reflection

• refraction

• absorption

Tags

NGSS.MS-PS4-2

Which describes the property of a wave that allows for bending of waves as they travel through different mediums?

• reflection

• refraction

• diffraction

• absorption

Tags

NGSS.MS-PS4-2

Which describes the property of a wave that allows for it to bend around an obstacle or through them?

• reflection

• refraction

• diffraction

• absorption

When waves collide and affect each other it is called -

• interference

• diffraction

• refraction

• reflection

The Law of Reflection states that waves will bounce off (reflect) at ____________ degree that it moved toward the object.

• the same

• a smaller

• a larger

Tags

NGSS.MS-PS4-2

What color will a leaf be under the classroom lights if no other light is present?

• blue

• green

• white

• red

Two waves with the same frequency and wavelength interfere. Which of the following represents the wave after the collision?

• 
• 
• 

Tags

NGSS.MS-PS4-1

When white light shines on the grass, the grass looks green. Why?

• Because the grass reflects blue and red wavelengths.

• Because the grass absorbs all the wavelengths except green.

• Because the grass reflects only green wavelengths.

What type of waves are represented by the diagram?

• longitudinal

• transverse

• surface

Tags

NGSS.MS-PS4-1