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CFE Review: Day 2 Flashcards | StudBud
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CFE Review: Day 2
CFE Review: Day 2
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Earth/Space Science CFE Review Stars Sun-Earth-Moon Technology in Space
Flashcards
35 cards
F
Practice quiz
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Host live
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Questions
35
Answers
1
A star's surface temperature and its color are directly related.
True
False
2
What order of celestial bodies creates a solar eclipse?
Sun, Moon, Earth
Moon, Sun, Earth
Earth, Sun, Moon
Sun, Earth, Moon
3
Electromagnetic radiation travel in the form of _______.
loops
waves
depends on the type of radiation
straight line
4
Which correctly explains the relationship between the energy and frequency of a wave?
High frequency=Low energy
High frequency=High energy
There is no relationship
Low frequency=High energy
5
The sun is powered by which of the following?
Nuclear Fusion
Cosmic Interactions
Decomposition Reactions
Nuclear Fission
6
What does it mean that the Sun experiences differential rotation?
Equator of the sun rotates at a different speed than poles
The sun rotates clockwise
Poles are not rotating
The sun rotates counter clockwise
7
This place on Earth receives the most direct sunlight year round.
The North Pole
Florida--that's why it's so hot here!
30 degrees latitude
The Equator
8
How does heat from the sun's core reach the surface of the sun?
Teleportation
Radiation
Convection currents
9
If you had a mass of 60kg on Earth, what would your mass be on the moon?
0kg
60kg
10kg
120kg
10
When Earth's axis is tilted away from the Sun, what season is occurring in the S. Hemisphere?
Fall
Spring
Winter
Summer
11
How do energy waves from the Sun get to the Earth?
Teleportation
Radiation
Conduction
Convection
12
Which is in the correct order from lowest energy to highest energy?
Radio, Microwaves, Infrared, Visible Light, UV, X-Ray, Gamma
Microwaves, Radio, Visible Light, UV, Infrared, X-Ray, Gamma
Radio, Infrared, Microwaves, Visible Light, Gamma, X-Ray, UV
Gamma, X-Ray, UV, Visible Light, Infrared, Microwaves, Radio
13
Which is not an example of electromagnetic radiation?
A microwave being used to heat up pot roast
A dolphin communicating with a fellow dolphin using sonar
X-Ray machine being used to take a picture of a broken bone
A remote using infrared radiation to change the channel
14
The two most abundant elements of the Sun are...
Hydrogen and Helium
Helium and Carbon
Helium and Nitrogen
Hydrogen and Carbon
15
EM waves _________ travel through space.
Wish they could
Can
Cannot
Never
16
Why does Earth experience seasons?
Because of the tilt of Earth's axis
Because the Earth rotates
Because the Earth revolves around the Sun
Because of a tilt in Earth's orbital plane
17
Day and night are caused by....
The tilt of the Earth's axis as it revolves around the Sun
The changes in the tilt of the Earth's rotational axis
Earth's changing distance from the Sun
The rotation of Earth on its axis
18
The sun ejects charged particles into space called _______________ which creates Auroras
Solar Wind
Solar Storm
Sun Spots
Prominences
19
A giant arch that explodes off the sun's surface is a...
Sun Spot
Solar Flare
Corona
Solar Prominence
20
The moon is visible because it....
It reflects light from Mars
It reflects light from the Sun
It reflects light from Earth
It creates its own light
21
When is a star born?
When gas and dust start to contract
When the nebula starts spinning
When X-rays get emitted
When nuclear fusion starts
22
How much of the electromagnetic spectrum is visible?
Most of it
All of it
None of it
Very little of it
23
What determines the life cycle of a star?
Mass
Type of protostar
Temperature
Gravity
24
This best describes the orbits of the planets around the Sun
Elliptical
Circular
Rectangular
Irregular
25
What moon phase does this image show?
Waning Crescent
Waxing Gibbous
Waxing Crescent
Waning Gibbous
26
As frequency increases, wavelength....
increases
I don't know
stays the same
decreases
27
What causes tides on the Earth?
Climate change shifts the amount of water we have
The moon's gravity pulls Earth's water
The Sun evaporates water unevenly
Earth's tilt unbalances all the water at once
28
The region of the HR Diagram that most stars fall within is...
Red Giants
Main Sequence
Red SuperGiants
White Dwarfs
29
______ tide has an increased range and occurs near times of a full and new moon.
Spring tide
Moon tide
Neap tide
Tidal range
30
______ have the longest wavelengths and lowest frequencies of all electromagnetic waves.
Radio waves
Microwaves
Ultraviolet
Gamma Rays
31
What causes phases of the moon?
Earth's tilt/rotation on its axis
Martians rearranging the night sky
The moon's revolution around the Earth
Earth's revolution around the Sun
32
EMS waves travel at the speed of.....
Sound
Sight
Light
Usain Bolt
33
Amplitude of a wave is defined as....
The distance between adjacent crests
The height of the wave
The highest crest
How many waves pass a given point in one second
34
What is absolute magnitude
Brightness of a star compared to the sun
Brightness of a star as seen from a fixed position
Brightness of a star as seen from Earth
None of the above
35
The solar cycle is based on _______ and lasts ________.
Solar flares; 15 years
Sunspots; 15 years
Solar flares; 11 years
Sunspots; 11 years
