Quiz about Abeka Science Test

Question 1

Which type of UV radiation is only partially absorbed by the ozone layer, allowing some of it to reach the earth's surface?

Accepted Answer

UVB

Answer

UVA

Answer

UVC

Answer

UVD

Question 2

How does air normally move in the atmosphere?

Accepted Answer

high pressure to low pressure

Answer

low pressure to high pressure

Answer

high altitude to low altitude

Answer

low altitude to high altitude

Question 3

What name is given to the upper atmosphere because of its distinct layers?

Accepted Answer

heterosphere

Answer

troposphere

Answer

mesosphere

Answer

homosphere

Question 4

What is the normal value of atmospheric pressure at sea level?

Accepted Answer

1013 millibars

Answer

6.9 millibars

Answer

14.7 millibars

Answer

110,000 millibars

Question 5

Which temperature layer of the atmosphere contains the ozone layer?

Accepted Answer

stratosphere

Answer

thermosphere

Answer

stratopause

Answer

tropopause

Question 6

Which type of current causes most of the earth's weather?

Accepted Answer

convection current

Answer

conduction current

Answer

radiation current

Answer

electromagnetic current

Question 7

What is the coldest point in the atmosphere?

Accepted Answer

mesopause

Answer

turbopause

Answer

tropopause

Answer

stratopause

Question 8

At what point on the earth's elliptical orbit does Earth receive the greatest amount of insolation?

Accepted Answer

perihelion

Answer

solhelion

Answer

aphelion

Answer

epithelion

Question 9

What global winds occur at the earth's surface in high latitudes?

Accepted Answer

polar easterlies

Answer

prevailing westerlies

Answer

jet streams

Answer

trade winds

Question 10

What portion of Earth's magnetic field stretches away from the sun?

Accepted Answer

magnetotail

Answer

magnetopause

Answer

magnetobelt

Answer

magnetoline

Question 11

Which atmospheric layer is the least understood?

Accepted Answer

mesosphere

Answer

stratosphere

Answer

stratopause

Answer

tropopause

Question 12

What is the most important and abundant greenhouse gas?

Accepted Answer

water vapor

Answer

oxygen

Answer

carbon dioxide

Answer

nitrogen

Question 13

Why is afternoon usually the warmest part of the day?

Accepted Answer

Trapped heat remains in the atmosphere.

Answer

The sun is almost directly overhead.

Answer

Earth does not radiate heat during the day.

Answer

Afternoon clouds warm the ground.

Question 14

Why does a compass always point north?

Accepted Answer

The compass points toward Earth's magnetic poles.

Answer

The compass points toward the North Star.

Answer

The compass points away from the equator.

Answer

The compass points away from Earth's core.

Question 15

Why do cyclones in the Southern Hemisphere rotate the opposite direction from cyclones in the Northern Hemisphere?

Accepted Answer

The Coriolis effect bends the winds in different directions.

Answer

The earth's tilt bends the winds in different directions.

Answer

The earth's tilt changes the amount of insolation.

Answer

The Coriolis effect changes the amount of insolation.

Question 16

The U.S. government broadcasts the official time for the country using a shortwave radio station in Colorado. How can there broadcasts be heard throughout the Lower Forty-Eight United States?

Accepted Answer

Radio waves bounce off the ionosphere.

Answer

Radio waves follow the curve of the earth.

Answer

Radio waves can travel an unlimited distance.

Answer

radio waves travel in a straight line.

Question 17

At the equator, air rises and begins traveling outward, toward the poles. Why does this air sink back to Earth long before it reaches the poles?

Accepted Answer

The air is cooled by low temperatures at high altitudes.

Answer

The air is heated by high temperatures at high altitudes.

Answer

The air is heated by compression as it rises.

Answer

The air is cooled by expansion as it rises.

Question 18

downslope wind caused by cooling air near a slope

Accepted Answer

katabatic wind

Answer

fall wind

Answer

forest breeze

Answer

land breeze

Question 19

wind that occurs when a large amount of dense, cold air spills over a mountain range

Accepted Answer

fall wind

Answer

forest breeze

Answer

katabatic wind

Answer

land breeze

Question 20

wind that occurs when warm air over open terrain rises, drawing cooler air from under trees

Accepted Answer

forest breeze

Answer

land breeze

Answer

sea breeze

Answer

katabatic wind

Question 21

cool, gentle wind blowing in from the water to the land

Accepted Answer

sea breeze

Answer

land breeze

Answer

forest breeze

Answer

fall wind

Question 22

During the day, both land and water heat up from sun exposure. How does the heating of water and land compare?

Accepted Answer

Water heats slower than land.

Answer

Water heats faster than land.

Answer

Water heats at the same rate as land.

Answer

The comparison depends on land color.

Question 23

What causes the plasma in the ionosphere?

Accepted Answer

cosmic rays

Answer

magnetic radiation

Answer

ultraviolet radiation

Answer

radio waves

Question 24

If all factors except the type of surface are the same, which of the following surfaces would you expect to warm most quickly during the day?

Accepted Answer

freshly plowed field

Answer

sandy beach

Answer

ice-covered plateau

Answer

grassy plain

Question 25

What doughnut-shaped regions surround the earth and trap particles from the solar wind?

Accepted Answer

Van Allen radiation belts

Answer

pressure belts

Answer

particle radiation belts

Answer

solar wind belts

Question 26

How are convection currents produced on a global scale at the equator and poles?

Accepted Answer

unequal heating

Answer

equal cooling

Answer

unequal cooling

Answer

equal heating

Question 27

What form of heat transfer heats cool air in contact with warm ground?

Accepted Answer

conduction

Answer

relocation

Answer

convection

Answer

radiation

Question 28

What transfers heat in the process of radiation?

Accepted Answer

electromagnetic waves

Answer

radio waves

Answer

ether waves

Answer

heat waves

Question 29

What is the solar energy that reaches the surface of the earth called?

Accepted Answer

insolation

Answer

solar power

Answer

energy buget

Answer

albedo

Question 30

What two gases help give the earth a mild and stable climate?

Accepted Answer

carbon dioxide and water vapor

Answer

nitrogen and carbon dioxide

Answer

nitrogen and oxygen

Answer

oxygen and water vapor

Question 31

What is the outermost temperature layer of the atmosphere?

Accepted Answer

exosphere

Answer

stratosphere

Answer

troposphere

Answer

thermosphere

Question 32

What is one of the two factors that cause the Coriolis effect?

Accepted Answer

inertia

Answer

albedo

Answer

Earth's orbit

Answer

convection currents

Question 33

What temperature layer of the atmosphere is at the bottom of the heterosphere?

Accepted Answer

thermosphere

Answer

turbosphere

Answer

stratosphere

Answer

mesosphere

Question 34

What direction does an anticyclone revolve in the Southern Hemisphere?

Accepted Answer

counterclockwise

Answer

clockwise

Answer

back-and-forth

Answer

vertically

Question 35

What causes the Intertropical Convergence Zone?

Accepted Answer

low pressure

Answer

high pressure

Answer

high winds

Answer

no winds

Question 36

If all other factors were equal, which of the following locations would you expect to have the highest air pressure?

Accepted Answer

Dead Sea (414 m below sea level)

Answer

Death Valley (86 m below sea level)

Answer

Lake Superior (183 m above sea level)

Answer

Mount Everest (8848 m above sea level)

Question 37

Which of the following is required for monsoons to form?

Accepted Answer

Land near a large body of water.

Answer

Land at very different eleations.

Answer

Land at nearly constant elevation.

Answer

Land far from large bodies of water.

Question 38

What causes anabatic winds?

Accepted Answer

Heated air near a mountain slope rises

Answer

Heated air near the shore flows inland.

Answer

Cooled air near the shore flows to the sea.

Answer

Cooled air near a mountain slope sinks.

Question 39

Would the layer above the tropopause have its temperature rise with altitude if there were no oxygen in the atmosphere? Why or why not?

Accepted Answer

No; this layer is heated by the chemical reaction of oxygen molecules.

Answer

No; this layer is heated by the vibration of heated oxygen molecules.

Answer

Yes; this layer is heated by rising heat from Earth's surface.

Answer

Yes; this layer is heated by particles entering the ionosphere.

Question 40

A weather map of North America shows a large area with winds rotating clockwise. Is this a high or a low? How do you know?

Accepted Answer

high, because outward-flowing winds rotate clockwise

Answer

low, because outward-flowing winds rotate clockwise

Answer

low, because inward-flowing winds rotate clockwise

Answer

high, because inward-flowing winds rotate clockwise

Question 41

Leila lives in the tropics. Shortly after dark one night, she saw a reddish glow on the horizon, which she thought was an aurora. How do you know Leila's conclusion is incorrect?

Accepted Answer

Solar-wind particles enter Earth's atmosphere only at high latitudes.

Answer

Warm temperatures prevent the atmosphere from changing colors.

Answer

Auroras are only seen near the middle of the night.

Answer

Auroras always appear high in the sky.

Question 42

Large wildfires often produce wind systems around themselves. What direction do these winds blow? Why?

Accepted Answer

Winds blow toward the fire to replace rising hot air.

Answer

Winds blow toward the fire to replace rising cool air.

Answer

Winds blow away from the fire as cool air sinks.

Answer

Winds blow away from the fire as hot air sinks.

Question 43

How does adiabatic cooling help create high-altitude winds?

Accepted Answer

Rising air cools as it expands and pushes air outward at high altitudes.

Answer

Sinking air cools as it expands and pushes air outward at high altitudes.

Answer

Sinking air cools as it contracts and draws air inward at high altitudes.

Answer

Rising air cools as it contracts and draws air inward at high altitudes.

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