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How are Waves Transmitted? Quick Check

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Question 1: What does it mean that a material transmits waves?
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• Waves will pass through the material.
• Waves will strop and transfer energy when they hit the material.
• Waves will bend and change their direction slightly when they hit the material.
• Waves will bounce off the surface of the material.
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Question 2: Science fiction movies sometimes take place in space and contain scenes where things explode very loudly and brightly. Why is this unrealistic?
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• Matter is needed to transmit sound waves.
• The pressure in space would keep explosions from being very large.
• Large explosions are more likely to create seismic waves, not sound and light.
• Light waves cannot travel through the vacuum of space.
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Question 3: Earthquakes can be recorded on a seismograph. This device produces a piece of paper with a long flat line, along with scribbles drawn with a needle that represent times when there has been an earthquake. How is energy transmitted to the seismograph?
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• Sound waves carry energy through Earth and shake Earth below the seismograph.
• Seismic waves carry energy through Earth and shake Earth below the seismograph.
• Sound waves carry energy through the air and shake the needle of the seismograph.
• Seismic waves carry energy through the air and shake the needle of the seismograph.
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Question 4: Which statement describes the transmission of mechanical waves?
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• They can travel through matter, but not in a vacuum.
• They cannot travel through matter, but they can in a vacuum.
• They can travel through matter and in a vacuum.
• They cannot travel through matter not in a vacuum.

2 answers

Here are the correct answers to your questions regarding the transmission of waves:

Question 1: What does it mean that a material transmits waves?

  • Correct Answer: Waves will pass through the material.

Question 2: Science fiction movies sometimes take place in space and contain scenes where things explode very loudly and brightly. Why is this unrealistic?

  • Correct Answer: Matter is needed to transmit sound waves.

Question 3: Earthquakes can be recorded on a seismograph. This device produces a piece of paper with a long flat line, along with scribbles drawn with a needle that represent times when there has been an earthquake. How is energy transmitted to the seismograph?

  • Correct Answer: Seismic waves carry energy through Earth and shake Earth below the seismograph.

Question 4: Which statement describes the transmission of mechanical waves?

  • Correct Answer: They can travel through matter, but not in a vacuum.
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