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WorksheetsAstronomy Units 5 and 6
Total questions: 20
Worksheet time: 10mins
Earth is the ___ Largest Planet
3rd
5th
7th
1st
What Percent of Water Covers Earth?
70%
47%
99%
83%
How Much of the Atmosphere is Oxygen?
39%
100%
21%
79%
Which Two Planets Are Closest to Earth?
Mars, Mercury
Mars, Venus
Neptune, Mercury
Jupiter, Saturn
About How Many Planets May Be in Habitable Zones Near Other Stars?
100 million
547 thousand
30 trillion
40 billion
About How Many Days is One Earth Year?
365.26
366.93
364.85
365.92
A _____ is an Object’s Orbit Around a Much Larger Object in Space
Rotation
Spin
Revolution
Circle
A _____ is an Object's Spinning Motion
Rotation
Spin
Revolution
Circle
How Many Hours is One Earth Day?
24 hours
23 hours and 56 minutes
24 hours and 4 minutes
23 hours and 59 minutes
Planetesimal : a Gathering of Dust That Forms a Tiny Planet Around a Star Through ________
Accretion
Impact
Orbit
Revolution
Which Planet is Closest to the Sun?
Venus
Jupiter
Mercury
Mars
What is the Closest Average Approach to Earth From Venus?
27 million miles
25 million miles
64 million miles
45 million km
How Long is One Venusian Year?
56 Earth Days
497 Earth Days
365 Earth Days
224 Earth Days
What is Weird About Venus's Rotation?
It's counterclockwise
It's clockwise
It's too slow
It's too fast
What is Mercury's Radius?
4643 miles
1515 miles
2573 miles
1563 miles
How Long Does it Take for Mercury to Rotate Fully?
58.65 Earth days
36.73 Earth days
374 Earth days
12.3 Earth days
Why is Mercury's Day so Strange?
It rotates clockwise
It rotates counterclockwise
Elliptical orbit
Too close to Sun
Which Planet is Hotter?
Mercury
Venus
Earth
Neptune
What Makes Mercury Not the Hottest if it's Next to the Sun?
Reflects heat
Spins too fast
Too much ice
Venus's clouds
What Year Did Venera 7 Land on Venus?
1987
1970
1984
2000
