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# Wave Energy - PowerPoint PPT Presentation

Wave Energy. Jeopardy!. Wave Energy Jeopardy. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. FINAL. Basic Properties 100. What is transferred by waves as they move from one place to another.

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Wave Energy

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Wave Energy

Jeopardy!

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### Basic Properties 100

• What is transferred by waves as they move from one place to another.

What is energy?

### Basic Properties 200

• What is not transfer as waves move from one place to another.

What is matter or material

### Basic Properties 300

• All mechanical waves need this.

What is a medium.

### Basic Properties 400

• This aspect of a wave shows wave energy.

What is amplitude?

### Basic Properties 500

• The number of waves passing a fixed point in a given amount of time.

What is frequency?

### Wave Types 100

• A surface wave on an ocean is an example of this wave type.

What is a transverse wave?

### Wave Types 200

• Sound waves are an example of a mechanical wave but they are also an example of this wave type.

What is a longitudinal wave?

### Wave Types 300

• People make this wave at Seahawk games.

What is a transverse wave?

### Wave Types 400

• In this wave the direction of the disturbance is perpendicular to the direction of the wave.

What is a transverse wave?

### Wave Types 500

• In this wave the direction of the disturbance is in the same direction as the wave.

What is a longitudinal wave?

### Wave Properties 100

• The rate of disturbances.

What is frequency?

### Wave Properties 200

• The size of a wave from middle to crest or middle to trough.

What is amplitude?

### Wave Properties 300

• The speed of a wave that has a frequency of 6 hertz, an amplitude of 5 cm, and a wavelength of 7 cm.

What is 42 cm per second.

### Wave Properties 400

• In a consistent medium, the wave with the smaller wavelength will have a frequency that is this.

What is higher.

### Wave Properties 500

• This determines the speed of a wave.

What is its medium

### Wave Misc. 100

• This area of a longitudinal wave is where most of the molecules collide.

What is a compression.

### Wave Misc. 200

• This area of a longitudinal wave is where the molecules are most spread out.

• .

What is a rarefaction.

### DAILY DOUBLE - Wave Misc.

• The reducing of the amplitude of two waves. This occurs when the crest of one wave joins with the trough of another.

What is destructive interference?

### Wave Misc. 400

• If the temperature in a room decreases, the speed of a sound wave will do this.

What is decrease?

### Wave Misc. 500

• Frequency and wavelength have this type of relationship.

What is inversely proportional

### Sound 100

• What an increase in the frequency of a wave sounds like.

What is a higher pitch?

### Sound 200

• The unit of measure that is most commonly used to describe the frequency of a sound wave.

What is Hertz?

### Sound 300

• When the amplitude of a sound wave is reduced we notice that this is how it sounds.

What is quieter.

### Sound 400

• The unit used to measure the loudness of sounds.

What is decibels?

### Sound 500

• The size of the wavelength of a high pitch sound compared to a low pitch sound.

What is shorter?

FINAL JEOPARDY!

Why does the Carlos Santana slide his hand down the guitar neck when he wants to play a high note? Use vibration, frequency, and pitch in your answer.

He shortens the string which makes it vibrate faster. The faster vibration means a higher frequency and high frequency means higher pitch.