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Science > Final > Flashcards

Final Flashcards

1
Q

How long does it take the earth to complete one orbit ?

A

365 1/4 days

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2
Q

How earth spins on its axis, causing Day and nigh

A

Rotation

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3
Q

When it is winter, the United States receives the least direct solar energy, as compared to the rest of the year. Why does this happen

A

The Northern Hemisphere is titled away from the sun

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4
Q

Which statement best explains the shift in times of high and low tides each day

A

The moon rises and sets later each day

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5
Q

Which gravitational pull has the greatest effect on tides?

A

The moons gravitational pull on earth

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6
Q

Which of the moon is in a crescent phase

A

2 and 8

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7
Q

Eclipses are predictable solar system events. The answer choices below list relative positions of Earth, the sun, and the moon. What position of the Earth, sun and moon are during a solar eclipse.

A

Sun, earth, moon

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8
Q

When earth moves into the moons shadow, a solar eclipse takes place. What phase of the moon happens during a solar eclipse

A

New moon

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9
Q

Term that describes the rise and fall of the water level in bodies of water

A

Tide

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10
Q

Just as Earth moves around the sun, the moon travels around earth. How many earth days does it take for the moon to move around earth

A

About 28 days

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11
Q

What point would Earth recibe the fewest hours of daylight

A

Point B

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12
Q

What equation would Cassie use to show the effect of the sun and the moon on spring tides

A

Sun + moon = spring tides

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13
Q

Tidal range on June 9th

A

4.76 m

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14
Q

Aside from Earths tilt, what other factor contributes to Earths seasons

A

The angle of the suns rays and the Humber of hours of daylight

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15
Q

Ann is looking at the sky. There is a first quarter moon. What does she see.

A

A moon shaped like a half circle

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16
Q

Which is a similarity between a neap tide and a spring tide

A

Each tide occurs twice a month, and is determined by the pull of gravity of the moon.

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17
Q

The diagram shows the relative position of the sun, moon, and earth. What does the diagram show

A

A lunar eclipse

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18
Q

Luis created a clay model of earth. To show how Earth rotates, Luis wants to use a toothpick to represent Earth’s axis of rotation. Where should Luis place the toothpick.

A

Diagonally across Earth, halfway between the equator and the two poles.

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19
Q

Sometimes the moon looks like a crescent. At other times, it looks like a half circle. What makes it possible for you to see the surface of the moon from earth.

A

Light from the sun reflected by the moons surface

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20
Q

The moon revolves around the earth. The moon travels at a speed of 1 km/s. What keeps the moon revolving around earth

A

Gravity

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21
Q

Why is the timing of the tides is predictable

A

The moons path

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22
Q

People put a boat on a beach. They went for a walk. They then came back and the boat was floating offshore. What happend

A

The water level rose due to high tide

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23
Q

How are the sun, earth, and moon aligned when spring tides occur

A

The sun, Earth, and moon form a straight line

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24
Q

How do temperatures at the Earths equator compare to the temperatures at the poles during the year

A

There is less variation

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25
Q

The phases of the moon change the appearance of the moon, as seen from earth. Which happens after a third quarter moon

A

Waning crescent

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26
Q

Which position of the moon results in a solar eclipse

A

2

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27
Q

How often does the moon pass over a particular spot on the earths surface, causing tides as a result of it’s gravitational pull

A

Once every 24 hours and 15 minutes

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28
Q

Which question do you ask to find out a planets year

A

How long it orbits the sun

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29
Q

Kevin travels to Australia for the winter, but it is more like summer. Why is this

A

The Southern Hemisphere is tilted towards the sun, so it is summer in Australia.

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30
Q

The rotation of Earth on its axis causes every location on the surface of Earth to move as earth turns. In which direction does each location move

A

From west to east

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31
Q

What defines season

A

A specific time of the year that is characterized by reoccurring weather conditions.

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32
Q

Once a month, Earth passes between the moon and sun. Is a solar eclipse possible during this time

A

No, because full moons happen when earth is between the moon and sun, and solar eclipses only happen during new moons

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33
Q

What is emitted from Alpha decay

A

Two protons and two neutrons from the nucleus

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34
Q

What type of radioactive decay does not change the atomic number because of low penetration

A

Gamma

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35
Q

An isotope has the same number of ________ but different Humber of ___________

A

Protons, neutrons

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36
Q

The smaller the number is an elements box on the periodic table tells you the elements

A

Number of protons

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37
Q

The smaller number in an element box lists the elements

A

Atomic number

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38
Q

What is not a for, of radio activity

A

Delta

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39
Q

Which particle could pass through paper

A

Beta

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40
Q

Which of the following supports the info above

A

The rotation of the sun is quite different from the rotation of the earth, since they rotate at different rates

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41
Q

When two atomic nuclei combine

A

Nuclear fission

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42
Q

Nuclear energy to produce electrical energy

A

Nuclear fission

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43
Q

Reddish loops of gas that link parts of sunspots regions

A

Prominences

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44
Q

The center most layer of the sun

A

Core

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45
Q

The outer most layer of the suns interior

A

Convection zone

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46
Q

The joining of hydrogen atoms from helium

A

Nuclear fission

47
Q

The layer of the suns interior where energy is transferred mainly by electromagnetic radiation

A

Radiation zone

48
Q

What is not true about the sun

A

It is larger then the other star in our solar system

49
Q

What is true about the sun’s Temperature

A

The core is hotter then the surface

50
Q

How much of the solar system is in the sun

A

99.8

51
Q

What reaction is occurring in the suns core

A

Fission of hydrogen and helium

52
Q

How old is the sun

A

4.5 billion years old

53
Q

A wave with a frequency of 500 hertz of 2000 m/s

A

4 m

54
Q

A wave with a frequency of 14 Hz has a wavelength of 3 meters. At what speed will this travel.

A

42 m/s

55
Q

A wave frequency is 900 Hz and wavelength is 200m. What is the wave speed

A

180,000 m/s

56
Q

Which diagram depicts the larger amplitude

A

3 cycle wave

57
Q

Which diagram depicts the larger wavelength

A

1 cycle wave

58
Q

Which wave above represents higher frequency

A

Neither, they are the same

59
Q

True or false - the speed of light is 300,000,000 ft/lb

A

False

60
Q

True or False - The speed of sound is 3 x 10 8 m/s

A

True

61
Q

What light has a short wavelength

A

Blue light

62
Q

As frequency increases _________ decreases

A

Wavelength

63
Q

Not a transverse wave

A

Sound wave

64
Q

Transverse waves have ______ and _______

A

Crest and troughs

65
Q

What is another name for wave height

A

Amplitude

66
Q

What is it called when a certain number of waves pass a given point per a certain number of seconds

A

Frequency

67
Q

The letter b represents

A

Amplitude

68
Q

The letter D represents

A

Trough

69
Q

The letter A represents

A

Wavelength

70
Q

True or False - Extrusive rocks are formed when lava cools fast to form igneous rock

A

True

71
Q

What is an igneous rock texture

A

Veslcular

72
Q

A naturally occurring solid mixture of one or more minerals or organic matter

A

Rock

73
Q

Vesicular rocks have what kind of texture

A

Bubble like

74
Q

Which of the following is not follated

A

Marble

75
Q

What mineral is the softest on the Mohs scale

A

Talc

76
Q

What is a sedimentary rock

A

Conglomerate

77
Q

What is a mineral

A

Diamond

78
Q

Tyson looks at a rock and thinks it is fine grained. Is he correct or incorrect

A

Incorrect

79
Q

What do you use to preform and acid test

A

Hydrochloric Acid

80
Q

What are ways sedimentary rocks are formed

A

Erosion, Deposition, Compaction, Cementation

81
Q

Shale is a sedimentary rock that can be metamorphosised into slate by

A

Increased pressure

82
Q

Which characteristic provides the best evidence about the environment in which a rock was formed

A

Texture

83
Q

Between which depths should the bedrock be mined in order to obtain rock with the highest percentage of copper

A

230-260ft

84
Q

What process leads to sedimentary rock formation

A

Erosion, deposition, compaction, then cementation

85
Q

What image represents a metamorphic rock

A

A

86
Q

What represents a sedimentary rock

A

B and C

87
Q

Sedimentary rocks form by _________ of particles

A

Lithification

88
Q

Granite is a _________ trained texture

A

Coarsely

89
Q

Extrude cooling leads to _______ grain textures

A

Fine

90
Q

Difference between Magma and Lava

A

Magma - in lava - out

91
Q

Not a type of rock type

A

Quartzatic

92
Q

Good description of a rock

A

A solid mixture or minerals/ or a mineral like matter

93
Q

Intrusive cooling leads to ________ grained textures

A

Corsely grained

94
Q

What is not true about the Mohs scales

A

Softest gets a ten out of ten

95
Q

In order to determine the density of an irregular shape, one should

A

Use water and do some math stuff with it

96
Q

A student is testing unknown material for hardness. The unknown materialism tested against fluorite, but neither scratches each other. What is the conclusion.

A

The material will scratch calcite

97
Q

Apperence based on how light reflects off an object

A

Luster

98
Q

Color of powder left by a rock

A

Streak

99
Q

An uneven break in an object

A

Fracture

100
Q

The difficulty of scratching an object

A

Hardness

101
Q

An even break

A

Cleavage

102
Q

Density formula

A

D=M/V

103
Q

Is granite a mineral ?

A

No

104
Q

The term mafic does NOT apply to

A

Banding and stripes

105
Q

What is not used to identify minerals

A

Color

106
Q

Metamorphic version of shale

A

Slate

107
Q

Known as fools gold, leaves black streaks

A

Pyrite

108
Q

The metamorphic version of limestone

A

Marble

109
Q

The metamorphic version of Granite

A

Gneiss

110
Q

Appearing red

A

Hematite

111
Q

What is NOT one of eight most common minerals found in the earths crust

A

Silver

112
Q

True or False - a mineral test can be preformed with items such as a penny, knife, etc

A

True

113
Q

True or False - luster is only described with therms such as metallic or non metallic

A

False

114
Q

True or False - A streak Test can be performed to identify a mineral based on the color of the powder

A

False

Science (8 decks)

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