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Mr. Field > Final > Flashcards

Final Flashcards

1
Q

Explain how the wavelength and frequency of a wave related to the amount of energy in a wave

A

The higher the energy the shorter the wavelength the higher the frequency.

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2
Q

You are standing in a a large empty building as you talk you can head your voice return to you after a second or two. What property of waves is being demonstrated. Explain your answer

A

reflection and the sound waves bounce off the wall coming back to you

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3
Q

What property of the sun controls the orbits of the planets

A

Gravity

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4
Q

The inner four planets are described by what?

A

Terrestrial planets

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5
Q

Place the planets in the correct order

A

Mercury Venus earth mars Jupiter Saturn Uranus Neptune Pluto

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6
Q

The orbits of most planets are what?

A

Elliptical

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7
Q

Objects in galaxies are held together by what?

A

The gravitational pull of objects within them

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8
Q

What occurs during a lunar eclipse?

A

The moon passes through the earths shadow.

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9
Q

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

A

Full moon

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10
Q

Using the numbers on the diagram place the phases in the order according to the numbers

A

1(third quarter) 2(waxing crescent) 3(new moon) 4( waning gibbous) 5(full moon) 6(waning crescent) 7( first quarter) 8( waxing gibbous)

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11
Q

When the illuminated portion of the moon gets smaller and smaller every night the moon is said to be….

A

Waning

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12
Q

When the illuminated portion of the moon get larger and larger every night the moon is said to be….

A

Waxing

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13
Q

The average daily temperature in the northern hemisphere is coldest when

A

the suns rays hit the northern hemisphere at an indirect angle

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14
Q

Because the suns rays strike different parts of the earth at different times we have….

A

Seasons

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15
Q

When the earths axis is tilted neither toward nor away away from the sun we have..

A

Vernal and autumnal equinoxes

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16
Q

At the start of what season is the sun lowest in the sky?

A

Winter

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17
Q

What is true about the moon rotation?

A

The moon rotates once for each revolution

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18
Q

When the northern hemisphere is experiencing winter the southern is experiencing…..

A

Summer

19
Q

A scientist observes the same craters on the same surface side of the moon because….

A

The moon rotates and revolves at the same speed

20
Q

Darkest part of the shadow..

A

Umbra

21
Q

Lighter part of the shadow…

A

Penumbra

22
Q

Why do we not have eclipses every new and full moon?

A

The moons orbit is tilted 5°

23
Q

How many tides occur in a 24 hour time period?

A

4

24
Q

Tides are caused by….

A

The gravitational pull or the earth and moon

25
Q

How many high tides occur in 24 hours?

A

2

26
Q

What types of tides occur when high tides are at their highest and low tides are at their lowest?

A

Neap tides

27
Q

As earth revolves around the sun earths axis…

A

Remains at the same angle pointed in the same direction

28
Q

The seasons are the result of the (blank) tilt of the earths (blank) as it orbits the sun

A

23.5°, axis

29
Q

What type of picture is pictured in the diagram?

A

Study 2 pictures on camera roll

30
Q

Give an example of a transverse wave and describe its parts

A

A wave in the water is an example of a transverse wave and its parts include, crest, trough, wavelength, amplitude, and resting point

31
Q

Give an example of a compressional wave and describe its parts

A

An example of a compressional wave is a sound wave and it’s parts are, rarefraction, compression, and wave length

32
Q

The sun shines through a rain drop creating a rainbow. What property of light wave is being represented? Explain your answer.

A

Refraction is being demonstrated because when the light shines through the rain drop is refracts off the rain drop bending the light and shining the light through the color prism creating a rainbow.

33
Q

Analog waves can carry more data than digital waves? True or False

A

False

34
Q

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

A

True

35
Q

Describe the difference between a mechanical and electromagnetic wave

A

Electromagnetic waves do not need a medium to travel through while mechanical ones do

36
Q

Wave equations

A

Wavelength=speed divided by frequency

Frequency= speed divided by wavelength

Speed= wavelength x frequency

Speed= m/s

Frequency= hz

Wavelength= meters

37
Q

X Ray is to…

A

Imaging the body

38
Q

Visible light is to…

A

Vision

39
Q

Radio waves is to…

A

Transmitting tv signals

40
Q

Gamma rays are used for….

A

Radiation therapy

41
Q

Infared light….

A

Thermal imaging

42
Q

Microwaves…..

A

WiFi

43
Q

Ultraviolet…

A

Sterelazation of medical tools.

Mr. Field (3 decks)

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