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