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Grade 10 Sophomore > Mazza/Paulino test #2 > Flashcards

Mazza/Paulino test #2 Flashcards

1
Q

What is convection?

A

It’s how heat passes through fluids.

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2
Q

What happens to fluids when it’s heated/cool?

A

When fluids are heated they rise and when it’s cool they sink. The convection current is an example of circular movements of heated fluids, for ex. heatings up soup.

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3
Q

What is conduction?

A

It’s how heat transfers through direct contact with objects that are directly touching. The warmer For example the sand and your feet.

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4
Q

What is raditation?

A

It’s how heat moves through different places where there arent any molecules and they move in a wave
ex:when you put your hands near the fire you can still feel the heat

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5
Q

Why are stars that are viewed from the northern hemisphere appear to revolve around the polaris?

A

The earth rotates on its axis

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6
Q

Which method of energy transfer is primarily responsible for energy being lost from Earth into space?

A

radiation

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7
Q

Which process transfers energy primarily by electromagnetic waves?

A

radiation

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8
Q

Which type of land surface will most likely absorb the greatest amount of incoming solar radiation?

A

rough, dark-colored surfaces

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9
Q

Which type of electromagnetic radiation has the longest wavelength?

A

gamma rays (more condensed together which makes it longer)

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10
Q

By which process do light rays pass through window glass?

A

radiation

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11
Q

Which type of surface absorbs the greatest amount of electromagnetic energy from the Sun?

A

rough, dull, and dark

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12
Q

What is the primary source of energy for Earth’s weather systems?

A

incoming solar radiation

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13
Q

By which process does starlight travel through space?

A

radiation

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14
Q

Which action would help an air-conditioner use less energy on a hot, sunny summer day?

A

adding insulation in the walls and ceilings (to trap more of the cool air in)

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15
Q

What is specific heat?

A

Measuring how fast substances increase in temperature. It is measured in joules.

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16
Q

what happens when heat gets absorbed by substances that do not go through a phase change

A

the temperature increases.( the lower the specific heat value the faster it heats up and cools down)

17
Q

what is a hemisphere?

A

half of the globe

18
Q

what is the international date line?

A

it helps separates time zones. It is parallel to the prime meridian(Eastern and Western time period)

19
Q

how many degrees are latitudes?

A

0-90

20
Q

how many degrees are longitude?

A

0-180

21
Q

What is the Polaris (North Star)

A

The altitude of polaris is equal to the latitude of the observer un the northern hemisphere.

22
Q

What happens when sunlight is absorbed by the earth?

A

Light energy is taken up by an object. It takes in the enrgy

23
Q

What happens when sunlight is reflected by the earth?

A

Light bouncing off an object (like a mirror). It bends in the same angle

24
Q

What happens when sunlight is transmitted by the earth?

A

It is {passing through} a medium.(like a radio or TV broadcast, or a disease going from one person to another.)

25
Q

What happens when sunlight is refracted by the earth?

A

Bending light through different medians (bending at a different angle)

26
Q

What happens when sunlight is scattered by the earth?

A

Light is send off in different directions (bends at different angles and directions)

27
Q

What happens when the surface radiates energy?

A

It would give off energy

28
Q

What happens when the surface is reradiating energy?

A

It absorbs energy fast then releases it back

29
Q

What is a good absorber or a bad absorber

A

good absorber=good radiator bad absorber=bad radiator

30
Q

What are some examples of a bad absorber?

A

surfaces that reflect, refract and or scatter are poor absorbers

31
Q

What are some qualities of a good absorber/radiators?

A

solid (land), dark color, and rough texture

32
Q

What are some qualities of a bad absorber/radiators?

A

liquid(ocean, water) light color, smooth texture

33
Q

What does Oblate Spheroid mean?

A

The earth is not completely evenly round.(slightly flattened at poles and wider at equator

34
Q

What determines the degree of the altitude of the polaris?

A

altitude=latitude

35
Q

During what processes are heat energy gaines?

A

melting(334) and vaporization(2260)

36
Q

During what processes are heat energy releases?

A

freezing(334) and condensation(2260)

37
Q

What is latent heat?

A

Hidden heat(in water or liquid)

Grade 10 Sophomore (38 decks)

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