Introduction to Waves

Refers to any disturbance that carries energy from one place to another?

• wave

• trough

• motion

• crest

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Which is a characteristic of all waves?

• all waves carry energy

• all waves move through matter, from particle to particle

• all waves transfer energy parallel to the direction of wave motion

Jenny is trying to describe a wave. Which example would be the best description?

• a toy car hitting a wall and bouncing back

• a toy car rear-ending a toy car that then rear-ends another toy car

• two toy cars driving parallel to each other at the same speedf

• two toy cars driving away from each other at the same speed

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Which game most represents a wave?

• hide and seek

• tic-tac-toe

• poker

• tipping over dominoes

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Brody and Ethel are arguing about waves. Brody says that waving his hand back and forth is a scientific wave. Ethel says it is not. Which statement best describes who is correct?

• Brody is correct because the wave involves an input of energy

• Ethel is correct because energy is not carried from one place to another

• Brody is correct because the pattern repeats

• Ethel is correct because the motion has not pattern

Which is the best analogy of a wave?

• a wave is like building a ramp

• a wave is like shaking a hand

• a wave is like water rippling in a pond

• a wave is like knocking down a building

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This chart shows characteristics of 3 types of waves. Which information is best supported by the chart

• Wave X and Wav Y are mechanical waves, and Z is electromagnetic.f

• Wave X and Wave Y are electromagnetic waves and Wave Z is mechanical

• Wave X and Wave Z are electromagnetic waves, and Wave Y is mechanical

Natalia is studying a wave produced in her magnetics lab. This wave can move through the empty space in a vacuum and carries a lot of energy. What wave is she most likely studying?

• a sound wave

• an ocean wave

• a gamma ray

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A scientist is studying a shock wave from an earthquake. What kind of wave is being studied?

• an electromagnetic wave

• a gamma ray

• a radio wave

• a mechanical wave

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Which kind of wave would be observed in outer space between planets, where there is very little matter?

• an electromagnetic wave such as an x-ray

• an electromagnetic wave such as a sound wave

• a mechanical wave such as an x-ray

• a mechanical wave such as a sound wave

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