Waves S8P4 Unit Exam 22-23

Which of the following is true for sound waves?

• They require a medium.

• They are unrelated to vibrations.

• They cannot travel through liquids

• They can travel in a vacuum

A student is measuring the distance between the crest and the rest position of both a mechanical wave and an electromagnetic wave. Which question is the student trying to answer?

• What is the speed of the waves?

• What is the amplitude of the waves?

• What is the wavelength of the waves?

• What is the frequency of the waves?

Tags

NGSS.MS-PS4-1

Which distance represents the wavelength?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS4-1

Which distance represents the amplitude?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS4-1

What do radio waves, microwaves, X-rays, and gamma rays all have in common?

• They all have the same wavelength.

• They are electromagnetic waves.

• They are detected in the same way.

• They store the same amount of energy.

Tags

NGSS.HS-PS4-3

Point A represents what?

• Trough

• Midpoint

• Crest

• node

Tags

NGSS.MS-PS4-1

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Tags

NGSS.MS-PS4-2

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

Tags

NGSS.MS-PS4-2

What is represented by the letter 'x'?

• Crest
• Compression
• Rarefaction
• Wavelength

Tags

NGSS.MS-PS4-1

Which wave has a higher frequency?

• A
• B

Tags

NGSS.HS-PS4-1