How Do Waves Interact With Matter?
Pre/Post Test
- In which of these situations would light slow down?
- From Glass to Air
- From Ice to Water
- From Plastic to Air
- From Vacuum to Air
- The medium through which a mechanical wave passes can be a solid, a liquid, or a gas. Properties of a wave might change when it moves from one medium to another. What happens to the speed of a wave when it moves from a gas to a solid?
- It speeds up
- It slows down
- It remains the same
- It speeds up and then slows down
- Suppose a mechanical wave is traveling through medium A, when the wave enters medium B, it speeds up. Which of the following statements is true about medium A and B?
- Medium A is a Solid and Medium B is a Gas
- Medium A is a Liquid and Medium B is a Solid
- Medium A is a Gas and Medium B is a Vacuum
- Medium A is a Vacuum and Medium B is a Liquid
- Which of these statements describes a characteristic of all mechanical waves?
- They are transverse waves
- They are longitudinal waves
- They travel though media
- They travel through empty space
- Alex hears a loud rumble as he watches a space shuttle lift off from the launch pad. What medium does the sound wave travel through to get from the shuttle to Alex’s ears?
- Air particles
- Empty Space
- Large vibrations
- Mechanical Energy
- What is one way that electromagnetic waves differ from mechanical waves?
- Electromagnetic waves move slower
- Electromagnetic waves are longitudinal
- Electromagnetic waves can travel through empty space
- There is no difference between them
How Do Waves Interact With Matter?
Pre/Post Test
ANSWER KEY
- In which of these situations would light slow down?
- From Glass to Air
- From Ice to Water
- From Plastic to Air
- From Vacuum to Air
- The medium through which a mechanical wave passes can be a solid, a liquid, or a gas. Properties of a wave might change when it moves from one medium to another. What happens to the speed of a wave when it moves from a gas to a solid?
- It speeds up
- It slows down
- It remains the same
- It speeds up and then slows down
- Suppose a mechanical wave is traveling through medium A, when the wave enters medium B, it speeds up. Which of the following statements is true about medium A and B?
- Medium A is a Solid and Medium B is a Gas
- Medium A is a Liquid and Medium B is a Solid
- Medium A is a Gas and Medium B is a Vacuum
- Medium A is a Vacuum and Medium B is a Liquid
- Which of these statements describes a characteristic of all mechanical waves?
- They are transverse waves
- They are longitudinal waves
- They travel though media
- They travel through empty space
- Alex hears a loud rumble as he watches a space shuttle lift off from the launch pad. What medium does the sound wave travel through to get from the shuttle to Alex’s ears?
- Air particles
- Empty Space
- Large vibrations
- Mechanical Energy
- What is one way that electromagnetic waves differ from mechanical waves?
- Electromagnetic waves move slower
- Electromagnetic waves are longitudinal
- Electromagnetic waves can travel through empty space
- There is no difference between them
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