Waves and Sound Jeopardy T.

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Presentation transcript:

Waves and Sound Jeopardy T

Today’s topics are…. T

Definitions T

Waves 1 T

Waves 2 T

Draw it out T

Wildcard T

$100 $200 $300 $400 $500 Definitions Waves 1 Waves 2 Draw it out Wildcard $100 $200 $300 $400 $500 FJ

Medium T

A substance or material that carries a wave.

Wavelength T

The distance between two crests or troughs in a wave.

Amplitude This is why breaking a brick over your head is safer than bouncing the brick off your head. T T

The maximum distance in between a crest/ trough and the resting position.

Vibration T

The back and forth motion of particles.

This is why breaking a brick over your head is safer than bouncing the brick off your head. Wave Quadrupling the distance from a source of sound will do this to the intensity. T T T

A disturbance that transfers energy from place to place.

Electromagnetic waves need a medium. (true or false)

False T

Give 3 real world examples of waves. T

Radio waves, microwaves, infrared waves, visible light, ultraviolet, x-rays and gamma rays.

Explain how a transverse wave moves.

Vibrate up and down perpendicular T

What unit is used to measure wavelength? A singer produces a sound wave that has a distance of 6.4 meters between successive crests. If it takes 0.02 seconds for a full wave to pass a listener in the audience, this is the wave’s frequency and velocity. T T

Units of distance: kilometer, meter, millimeter, and centimeter.

What unit is used to measure frequency?

Hertz T

Sound waves are longitudinal (true or false) This is the type of collision that one or more bodies are deformed and heat is lost. T T

True T

Give 2 real world examples of a wave that needs a medium waves.

Sound Waves, water and seismic waves.

What is a rarefaction? T

A rarefaction is a part of a longitudinal wave that is more spaced out (rare).

Daily Double! T

How does a longitudinal wave move ?

Back and Forth Parallel T

Why is there no sound in outer space?

Sound is a mechanical wave. Mechanical waves require a medium. T

A transverse wave with a frequency of 1 Hz

T

Draw a transverse wave, then draw a second transverse wave with it’s energy increased.

A waves energy increases as frequency increases or as amplitude increases.

Draw a wave with a high amplitude. This is the work needed and power exerted by 500 kg Stay Puff Marshmallow Man to climb a 200m high building in 10 seconds. Assume g =10 m/s2 T T

Check answers What is W = 1.0 x106 J and P = 1.0 x 105 W? T T

Draw and label a longitudinal wave.

What is 340 Hz? T T

Draw a transverse wave with 4 or more parts labeled. This is the work needed and power exerted by 500 kg Stay Puff Marshmallow Man to climb a 200m high building in 10 seconds. Assume g =10 m/s2 Draw a transverse wave with 4 or more parts labeled. A 15 centimeter closed tube resonates at 480 Hz. This will be the next tube length that will resonate with the same 480 Hz. T T T

T

What do waves transfer? T

ENERGY T

What type of wave requires a medium?

Mechanical T

What are three examples of a medium?

All matter: Solids, liquids, gases and plasmas.

A wave made with a jump rope would be what type of wave?

Transverse T

Describe the relationship between frequency and wavelength.

As frequency increases, wavelength decreases and vice versa.