Why is gravity important to Earth sustaining life?

It keeps the atmosphere close to the surface.

The reason life in the outermost planets is less likely that life on inner planets is ___

Their surfaces are extremely cold

Which of the following has the lunar cycle in the correct order?

full moon, waning gibbous, 3rd quarter moon, waning crescent

If the Sun were smaller and gave off less energy, then what would also be true of Earth?

The Earth would need to be closer to the Sun.

Which factor allows for Earth to sustain life?

atmosphere is a unique breathable mixture of gases

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Sun-Earth-Moon System & Life of Earth in the Solar System

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#Earth #rotation, #revolution, #seasons, #equinoxes, #solstices #Moon #phases, #eclipses, #tides #solar system

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Questions 20

Answers

1
How often is a new moon observed from Earth's surface?
each week
once each leap year
once a month
every two weeks
2
If the Earth's North pole is tilted towards the sun, then what season is it in Australia?
winter
spring
fall
summer
3
Life could develop on ___ because of the presence of ice and organic molecules.
Venus
Jupiter
Mars
Mercury
4
What could be a major problem to sending astronauts to outer planets in the solar system?
They are too cold.
They have no surface upon which to land.
All of the above.
They are too far away.
5
Earth revolves around the sun every ____.
29.5 days
24 hours
365.24 hours
365.24 days
6
Venus is the hottest planet in the solar system due to ____.
thick ozone layer
large magnetosphere
extreme greenhouse effect
large gravity
7
Compared to the other planets, the factor which supports Earth having life is ____
all of the above
water in all 3 phases
the habitable zone position
the greenhouse effect keeping Earth warmer.
8
Why is gravity important to Earth sustaining life?
It keeps the atmosphere close to the surface.
It protects the surface from solar radiation
It keeps the planet warm.
It creates a magnetic field around Earth.
9
Is your teacher an alien?
Could be
It would explain a lot...
No
Yes
10
Which moon phase could result in a solar eclipse?
new moon
3rd quarter
1st quarter
full moon
11
The total reflecting side of the moon faces the Earth. What moon phase is it?
new moon
1st quarter
3rd quarter
full moon
12
Which moon phase could result in a lunar eclipse?
3rd quarter
new moon
1st quarter
full moon
13
What could be a major problem to sending astronauts to Mercury?
Too thick of an atmosphere
Too extreme of temperatures
Too slow of a revolution
Too far from the sun
14
On what day would the entire Artic circle receive sunlight?
Fall equinox, September 21st
winter solstice, Dec. 21
Spring equinox, March 21st
Summer solstice, June 21st
15
The seasons on Earth are caused by ____.
The distance between the Sun and Earth in the revolution.
The tilt of the Earth's axis
The rotation of the Earth on its axis.
The gravitational force of the moon on Earth.
16
The reason life in the outermost planets is less likely that life on inner planets is ___
Their surfaces are extremely cold
They have too little mass
Their surfaces are extremely hot
The have too much mass
17
Which of the following has the lunar cycle in the correct order?
full moon, waning gibbous, 3rd quarter moon, waning crescent
waxing crescent, 3rd quarter, waxing gibbous, full moon
new moon, waxing gibbous, 1st quarter, waxing crescent
new moon, waning crescent, 1st quarter, full moon
18
If the Sun were smaller and gave off less energy, then what would also be true of Earth?
The Earth would need to be farther from the Sun.
The Earth would need to be closer to the Sun.
The Earth would need to be larger.
The Earth would need to be smaller.
19
Which factor allows for Earth to sustain life?
atmosphere is a unique breathable mixture of gases
the atmosphere allows all solar radiation to reach surface
ozone layer stops all debris from reaching the surface
the atmosphere is extremely thin due to Sun's temperature
20
Tides of Earth are mostly caused by ____
Earth's rotation on its axis
gravitational pull of the Sun only
gravitational pull of the moon
tilt of the Earth's axis

Sun-Earth-Moon System & Life of Earth in the Solar System Flashcards | StudBud