AnswersOC27 EarthSpace Sci-2001310-S2-NelsonIntroduction to Waves

Introduction to Waves Answers

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Which statement correctly distinguishes between mechanical and electromagnetic waves?

A
Electromagnetic waves carry energy through matter; mechanical waves carry energy through space.
B
Mechanical waves carry energy through matter; electromagnetic waves carry energy through space.
C
Electromagnetic waves carry energy through particles that move up and down; mechanical waves carry energy through particles that move side to side.
D
Mechanical waves carry energy through particles that move up and down; electromagnetic waves carry energy through particles that move side to side.
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Complete the sentence to describe what a wave is and what it does.

Answers:
Blank 1:disturbance
⇒ energy:energy
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⇒ energy

Answer:

energy

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⇒ force

Answer:

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⇒ electromagnetic

Answer:

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Label the parts of this wave.

Answers:
A::crest
B::amplitude
C::trough
D::wavelength
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✔ amplitudecresttroughwavelength

A
✔ amplitude
B
crest
C
trough
D
wavelength
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amplitudecrest✔ troughwavelength

A
amplitude
B
crest
C
✔ trough
D
wavelength
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amplitudecresttrough✔ wavelength

A
amplitude
B
crest
C
trough
D
✔ wavelength
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How should the table be changed to correctly distinguish between mechanical and electromagnetic waves?

A
Earthquake waves and radiation waves need to change places.
B
Light waves and X-ray waves need to change places.
C
Ocean waves and X-ray waves need to change places.
D
Sound waves and light waves need to change places.
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Which statements describe the wave? Check all that apply.

A
The wave is a mechanical wave.
B
The wave is an electromagnetic wave.
C
The wave moves energy through matter.
D
The wave moves energy through space without matter.
E
The wave transfers energy parallel to the motion of the wave.
F
The wave transfers energy perpendicular to the motion of the wave.
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Label the parts of this wave.

Answers:
A::crest
B::amplitude
C::trough
D::wavelength

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