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Space Unit Test Review
Test Description: Space Unit Test Review
Instructions: Answer all questions to get your test result.
1) How do we learn the most about our solar system (especially the moon)?
A
by using satellite telescopes
B
by talking to aliens that come to Earth
C
by using telescopes on Earth
D
by visiting them
2) What happens when the Moon blocks the Sun from Earth?
A
a solar eclipse
B
a full Moon
C
a lunar eclipse
D
an Earth eclipse
3) Which is a difference between the inner planets and the outer planets?
A
the inner planets are gas planets
B
the outer planets are less dense than the inner planets
C
the inner planets are spread very far apart
D
the outer planets include Venus and Mars
4) Which planet do scientists think has the best chance of possibility supporting life? (hint: it is the next planet for humans to visit)
A
Mars
B
Venus
C
Saturn
D
Mercury
5) Why would Neptune not be able to support life?
A
It has too little mass
B
It is too hot
C
It is too cold
D
It has too much mass
6) When scientists want to study Saturn, which of the following would they most likely use?
A
a manned space craft
B
a space probe
C
a space station
D
a space shuttle
7) Why does Earth have day and night?
A
because the Earth is rotating on its axis and faces the sun part of the day and not the other
B
because solar and lunar eclipses block the Sun
C
because the Earth is revolving around the Sun once a year
D
because the Moon is revolving around Earth once a month
8) Which phase of the Moon occurs right AFTER a full Moon?
A
a new Moon
B
a waxing crescent
C
first quarter
D
a waning gibbous
9) Why do solar and lunar eclipses not happen every day?
A
because the Earth tilts towards the Sun more often than the Moon
B
because the Sun tuns away from the Moon more often than the Earth
C
because the Moon is titled and its orbit is not straight around Earth
D
because the Sun moves slowly around Earth
10) What does Revolution mean?
A
to orbit around something
B
to leave Earth's atmospere
C
to spin
D
to run away
11) Why are space telescopes able to see more of the universe than telescopes on Earth?
A
there is no difference
B
because they travel to Jupiter
C
because they are closer to the Sun
D
because they do not need to see through Earth's atmosphere
12) Which element would MOST LIKELY be needed to have life on another planet?
A
carbon
B
helium
C
nitrogen
D
sulfur
13) What is the difference between a meteor and a meteorite?
A
A meteor is in space and a meteorite burns up in the atmosphere
B
A meteorite is made of ice and a meteor is made of rock
C
A meteor is made of ice and a meteorite is made of rock
D
A meteor burns up in the atmosphere and a meteorite lands on Earth's surface
14) Which of the following things is important to sustain life?
A
having a gaseous surface
B
nitrogen and gold
C
chlorophyl
D
liquid water
15) During what 2 moon phases can eclipses occur?
A
full and gibbous
B
crescent and quarter
C
waxing and waning
D
full and new
16) Why is gravity important to life on Earth?
A
because it blocks out harmful UV rays
B
because it keeps our planet warm
C
because it helps with Earth's rotation
D
because it keeps the water and atmosphere in place for us
17) What is responsible for the tides on Earth?
A
The Earth's gravity
B
the pull of the Moon's gravity
C
the sun's energy
D
the pull of Mars' gravity
18) When is there a high tide?
A
when the part of the earth is facing the moon AND when the part of the earth is facing away from the moon
B
when the part of the earth is facing away from the moon only
C
when the part of the earth is at an angle from the moon
D
when the part of the earth is facing the moon only
19) Who was the first man to walk on the moon?
A
John Glenn
B
Neil Armstrong
C
Yuri Gagarin
D
Barack Obama
20) What phase of the moon happens directly AFTER a new moon?
A
waxing gibbous
B
waning crescent
C
waxing crescent
D
waning gibbous
*select an answer for all questions
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