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Earth Science Exam Review, mc part 1 Flashcards | StudBud
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Earth Science Exam Review, mc part 1
The Kuiper belt is:
Ozone is:
Earth Science Exam Review, mc part 1
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Review for the final exam
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1
Ozone is:
A form of oxygen with three oxygen atoms in each molecule
form of nitrogen with three nitrogen atoms in each molecule
A form of nitrogen with two nitrogen atoms in each molecule
A form of oxygen with two oxygen atoms in each molecule
2
The Kuiper belt is:
A device used to open and close the roof of an observatory
The region of the solar system outside Neptune's orbit
Another name for the asteroid belt
A special band of asteroids within the asteroid belt
3
A radio telescope is an instrument that:
Broadcasts messages to the moon
Picks up signals from space creatures
Receives invisible radiation from outer space
Analyzes spectra
4
What color are the coolest stars?
Yellow
Blue-white
Red
Orange
5
Lightening is formed when:
2 thunderclouds crash together, creates electrical current
Positive and neg. charges build up inside a thunder cloud
Air against water molecules in thndrcld, make elect current
Zeus throws them out of the clouds
6
When climbing a high mountain, you get out of breath because:
Air pressure is greater
There is less oxygen in each cubic meter of air
The percentage of oxygen in the air decreases
The air is more dense
7
Tides are caused by:
Variations in the salinity of ocean water
The shifting of the plates on the ocean floor
Strong winds that blow over ocean waters
The interaction of earth, the moon, and the sun
8
Because the moon rotates once for each revolution around earth:
The far side of moon is visible only during full moon phase
You never see the far side of the moon from earth
You see some phases more than others
A different side of the moon faces earth each day
9
The space race was between:
The Soviet Union and China
The United States and the Soviet Union
Great Britain and the Soviet Union
The United States and China
10
Asteroid
Are made mostly of rocky material
Can break into meteoroids
All of these
Circle earth together in a group called the asteroid belt
11
What is the atmosphere?
A mixture of gases that surrounds earth
All of the oxygen in the air around us
All of the gases 30km above the earth
The sky 30km above the clouds
12
The word "troposphere" comes from the Greek word that means:
Same
Cold
Change
Wet
13
The temperature of the moon' surface varies greatly from day to night because the moon has:
No real atmosphere
Maria
Highlands
Many craters
14
The word planet means:
Not a star
Wanderer
Satellite
None of these
15
Characteristics used to classify stars include:
Distance, size, color
Color, brightness, and distance
Size, distance, and brightness
Size, brightness, and temperature
16
Salinity is a measure of which of the following in water?
Dissolved salts
Sand
Oxygen
Carbon dioxide
17
Both reflecting and refracting telescopes are designed to:
Work better with short-wavelength radiation
Break visible light into colors of the spectrum
Separate visible light from ultraviolet and radio waves
Gather and focus visible light
18
A "dirty snowball" is a good way to describe a:
Asteroid
All of these
Comet
Meteoroid
19
A sunspot is:
The North Pole of the sun
A region of lower temperature on the surface of the sun
Smoke from a thermonuclear explosion in the sun's surface
Dirt on the telescope lens of a heliograph
20
The space shuttle:
Carried astronauts to the moon
Is an unscrewed space probe
Can only be used once
Can be used many times to carry astronauts into orbit
21
One complete revolution of Earth around the sun takes about:
One season
One year
One rotation
One eclipse
22
The Milky Way galaxy is an example of a(n):
Irregular galaxy
Globular galaxy
Spiral galaxy
Elliptical galaxy
23
An equinox occurs when:
north end of earth's axis is tilted toward sun
North end of earth's axis is tilted away from the sun
Earth's axis is parallel to the sun's rays
Neither end of earth axis is tilted toward or away from Sun
24
Earth's rotation takes about:
24 hours
6 months
365 days
1 month
25
A tide with the LEAST difference between low and high tide is called a:
Spring tide
Monthly tide
Rip tide
Neap tide
26
Thunder is created by:
2 thunderclouds crash into each otherm makes loud boom
Air rapidly expands as it is heated by lightning
Bowling angels make a strike, noise is sound of pins falling
Thundercloud crashes into warm air mass, creates loud boom
27
Microscopic organisms floating through the atmosphere are called:
Atmospheric plankton
Atmospheric organisms
Aeolian plankton
Aeolian organisms
28
Earth has seasons because:
The temperature of the sun changes
The axis is tilted as it moves around the sun
It rotates on its axis
The distance between earth and the sun changes
29
A range of colors formed when white light passes through a prism is called a:
Ray
Lens
Spectrum
Photograph
30
A "shooting star" is actually a:
Asteroid
Crater
Meteor
Comet
31
From earth to space, the main layers in our atmosphere are:
Tropospherem stratosphere, mesosphere, thermosphere
Stratosphere, troposphere, mesosphere, thermosphere
Mesosphere, troposphere, stratosphere, thermosphere
Thermosphere, troposphere, stratosphere, mesosphere
32
The sun is:
All solid, hot rock
10 times larger than earth
A giant planet
A body of hot gases
33
The atmospheric layer that jet pilots like to fly in is the:
Stratosphere
Troposphere
Thermosphere
Mesosphere
34
Reflecting telescopes differ from refracting telescopes in having:
Two large objective lenses
One large objective lens
No eyepiece lens
A mirror instead of an objective lens
35
Galileo saw that much of the Moon's surface is covered with round pits called:
Seas
Highlands
Maria
Craters