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Mr. Field's Science > Final > Flashcards

Final Flashcards

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Biology 101 flashcards
1
Q

Give an example of a transverse wave

A

Ocean waves, waves on a string, seismic waves

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2
Q

Different parts of a transverse wave

A

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

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3
Q

Example of a compressional wave

A

Sound waves

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4
Q

Parts of a compressional wave

A

Compression- where particles are closer together

Rarefaction- where the particles are farther apart

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5
Q

How are wavelength and frequency and energy related?

A

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- 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

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9
Q

Order of the planets

A 
Mercury 
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
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10
Q

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

A

Refraction- the light waves bend and break into the visible light spectrum

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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

Gravitational pull

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13
Q

What occurs on a lunar eclipse

A

Moon passes through earth’s shadow

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14
Q

What phase of the moon does a lunar eclipse occur on

A

Full moon

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15
Q

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

Waning

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17
Q

When the moon gets bigger, what is it

A

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, pointed in the same direction

21
Q

Seasons are caused by the _ angle of the earth’s _

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

Rotates once for each revolution

25
Q

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

A

Summer

26
Q

Why do you always see the same side of the moon

A

Moon rotates and revolves at the same speed

27
Q

Darkest part of shadow

A

Umbra

28
Q

lightest part of shadow

A

Penumbra

29
Q

Why is there no eclipses every new and full moon

A

Moon’s tilt on its orbit

30
Q

How many high tides are there each day

A

Two

31
Q

How many low tides are there each day

A

Two

32
Q

What is it when the high tides are highest, low are lowest

A

Spring tides

33
Q

Analog waves can carry more data than digital waves

A

True

34
Q

Analog waves are better for transmitting data because they do not degrade

A

False

35
Q

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

A 
Speed = frequency x wavelength 
Wavelength= speed divided by frequency 
Frequency= speed divided by wavelength
36
Q

What is visible light used for

A

Vision

37
Q

What are X-rays used for

A

Imaging the body

38
Q

What is ultraviolet waves used for

A

Sterilization of medical tools

39
Q

What are gamma rays used for

A

Radiation therapy

40
Q

What is infrared light used for

A

Thermal imaging

41
Q

What are radio waves used for

A

Transmission of TV signals

42
Q

What are microwaves used for

A

WiFi

Mr. Field's Science (6 decks)

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