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BJU Earth Science Chapter 22 Flashcards | StudBud
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BJU Earth Science Chapter 22
BJU Earth Science Chapter 22
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1
The moon spins slowly on its axis.
False
True
2
Our visual system is most receptive to blue light.
False
True
3
The Sun is _________ the diameter of the Earth
109 X
1001 X
2 X
5 X
4
The time it takes the sun to complete one full cycle along the ecliptic is called a ________ year
siderial
solar
lunar
synodic
5
One AU (astronomical unit) is equal to about 150,000,000 million kilometers.
True
False
6
The sun is 150,000,000 km from the Earth.
False
True
7
The moon has a diameter of 3474 km
True
False
8
A solar day is the length of time from one local midnight to the next.
True
False
9
The band of waves which our eyes and brains interpret as light is called the __________
aurora borealis
visible spectrum
invisible spectrum
rainbow spectrum
10
Which type of eclipse occurs when the moon blocks some of the sun's light from reaching Earth?
lunar
solar
11
Earth has an elliptical orbit around the sun
False
True
12
The ecliptic
all of the above
is the sun's route in the universe
is straight over our heads
is the apparent path of the sun through the stars from Earth
13
The moon's appearing to grow smaller is called...
apogee
waxing
perigee
waning
14
The beginnings of seasons are marked by solstices and equinoxes
True
False
15
The moon has a strong magnetic field
True
False
16
The moon has 1/4 the Earth's mass and 1/10 the Earth's gravity
True
False
17
The moon has an atmosphere similar to Earth's
True
False
18
The moon is the smallest in our solar system in relation to its planet.
False
True
19
The line between the light and dark sides of an astronomical body is called...
Accelerator
Alligator
Nominator
Terminator
20
The moon's closest approach to Earth is called...
waning
perigee
waxing
apogee
21
About 98% of the sun's mass is _______ and _______. (pick two)
carbon
hydrogen
helium
oxygen
22
The moon's most distant orbit to Earth is called...
waning
waxing
perigee
apogee
23
The sun's internal structures are...(pick three).
Core
Radiative Zone
Corona
Convective Zone
24
The moon revolves around the earth in an elliptical orbit
True
False
25
The moon's appearing to grow larger is called...
waxing
perigee
waning
apogee
26
The entire band of EM waves emitted by the sun is called the
galactic broadband
solar spectrum
salient deviation
infrared silos
27
93% of the energy leaving the sun is in the form of
sound waves
tidal waves
electromagnetic waves
convective waves
28
The types of tides are (pick two).
earth
ocean
fire
sky
29
Two of the sun's main activities are...(pick two)
working out
solar flares
quakes
sunspots
30
The moon has trace amounts of water vapor
True
False
31
Which type of eclipse occurs when the Earth blocks some of the sun's light from reaching the moon?
lunar
solar
32
The earth is tilted about how many degrees on its axis?
50 1/2
75 1/2
23 1/2
It is not tilted on its axis
33
___________ is shorter than visible light
convective
ultraviolet
infrared
radioactive
34
The time it takes the moon to complete one full orbit of the earth is called a ________ month.
solar
lunar
siderial
synodic
35
Infrared is shorter than visible light.
False
True
