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Mr.Field > Final Study Guide Real > Flashcards

Final Study Guide Real Flashcards

1
Q

Give an example of a transverse wave

A

Ocean wave, wave on a string, or seisamic waves.

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2
Q

Different parts of a transverse wave

A

Crest is the highest point
Trough is the lowest point
Wavelength is the distance from crest to crest
Amplitude is the distance from resting point to crest

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3
Q

Give an example of a compressional wave

A

A sound wave

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4
Q

Give parts of a compressional wave

A

Compression is where particles get closer together.

Rarefaction is where the particles are farther apart.

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5
Q

How are wavelength and frequency and energy related?

A

They have shorter wavelength, higher frequency, more energy.

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6
Q

Your voice returns to you a few seconds after you speak. What property of waves does this demonstrate?

A

Reflection. It is the sound waves bounce off the wall and return to you.

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7
Q

What property of the sun controls the orbits of the planets

A

Gravity

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8
Q

What are the inner four planets known as?

A

Terrestrial planets

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9
Q

What is the order of the planets

A

Mercury , Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto

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10
Q

The sun goes through raindrops making a rainbow. What is this?

A

Refraction. Refraction is where the light waves bend and break into the visible light spectrum and that makes a rainbow.

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11
Q

The orbits of most planets are what shape

A

Elliptical

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12
Q

Objects in galaxies are held together by what

A

The gravitational pull.

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13
Q

What occurs on a lunar eclipse?

A

The moon passes through earth’s shadow and makes a lunar eclipse.

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14
Q

What phase of the moon does a lunar eclipse occur on?

A

A full moon

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15
Q

Order the phases of the moon

A 
New moon
Waxing crescent 
First quarter 
Waxing gibbous 
Full moon
Waning gibbous 
Third quarter 
Waning crescent
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16
Q

When the moon gets smaller, what is it doing?

A

The moon is waning

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17
Q

When the moon gets bigger, what is it

A

The moon is waxing

18
Q

When is the temperature in the North Pole coldest?

A

Sun’s rays hit the northern hemisphere at an indirect angle.

19
Q

Because the sun’s rays hit the earth at different angles different parts of the year, what do we have?

A

Seasons

20
Q

As the earth rotates the sun, the earth’s axis…….

A

Remains at the same angle and it is also pointed in the same direction

21
Q

Seasons are caused by the whatangle of the earth’s what

A

23.5, axis.

22
Q

What happens when the earth’s axis is not pointed towards or away from the sun?

A

Equinoxes

23
Q

Sun lowest in the sky at the start of which season?

A

Winter

24
Q

What is true about the moon’s rotation?

A

The moon rotates once for each revolution.

25
Q

What is it in the Southern Hemisphere when northern hemisphere has winter?

A

Summer

26
Q

Why do you always see the same side of the moon?

A

Moon rotates and revolves at a five degree angle.

27
Q

What is the darkest part of a shadow

A

Umbra

28
Q

What is the lightest part of a shadow?

A

Penumbra

29
Q

Why is there no eclipses every new and full moon?

A

Because moon’s tilt on its orbit goes 5 degrees.

30
Q

How many high tides are there each day?

A

2

31
Q

How many low tides are there each day?

A

2

32
Q

High tides highest, low tides are lowest

A

Spring tides.

33
Q

Analog waves can carry more data than digital waves. True or false?

A

True

34
Q

Analog waves are better for transmitting data because they do not degrade like digital waves do. True or false?

A

False

35
Q

How to find wavelength, frequency, or speed of a wave

A

Speed is frequency x wavelength
Wavelength is speed / frequency
Frequency is speed / wavelength

36
Q

What is visible light used for?

A

Visible light is used for vision.

37
Q

What are x-rays used for?

A

To look at the insides of your body.

38
Q

What are ultraviolet waves used for?

A

To clean medical stuff.

39
Q

What are gamma rays used for?

A

To do radiation treatments.

40
Q

What are infrared light used for?

A

To take images thermally.

41
Q

What are radio waves used for?

A

To make your tv have a signal.

42
Q

What are microwaves used for?

A

For your home WiFi or public WiFi

Mr.Field (9 decks)

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