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WorksheetsScale of the Solar System Vocabulary
Total questions: 22
Worksheet time: 17mins
Name
Class
Date
1.
What is the name of... the streak of light seen when a space rock enters the atmosphere and starts burning up, also known as a “falling star”
a)
comet
b)
asteroid
c)
meteor
d)
meteorite
2.
What is the name of... If a meteor doesn’t entirely burn up, a piece of space rock that lands on Earth?
a)
meteorite
b)
meteor
c)
comet
d)
planet
3.
What is... a huge object in space made up of gas and giving off light and heat from nuclear reactions?
a)
planet
b)
comet
c)
star
d)
galaxy
4.
What is... a celestial body moving in an elliptical orbit around a star?
a)
sun
b)
galaxy
c)
asteroid
d)
planet
5.
What is... a natural object that revolves around a planet?
a)
moon
b)
meteor
c)
sun
d)
atmosphere
6.
What is... a rock in orbit generally between Mars and Jupiter? Sometimes, they get bounced towards Earth.
a)
moon
b)
asteroid
c)
comet
d)
satellite
7.
What is... a chunk of ice and rock originating from the outer solar system, often accompanied by a coma and tail?
a)
moon
b)
asteroid
c)
meteor
d)
comet
8.
What is the name of Earth's galaxy?
a)
Starburst
b)
Kepler
c)
Milky Way
d)
Andromeda
9.
What is... a group of millions of stars?
a)
solar system
b)
galaxy
c)
asteroid belt
d)
universe
10.
What is... the path an object in space follows as it revolves around another object, such as Earth around the sun or a satellite around Earth?
a)
circle
b)
orbit
c)
path
d)
rotation
11.
What is... the distance light travels in a vacuum in one year, (equal to 946,000,000,000,000 km)?
a)
parsec
b)
millo-mile
c)
orbit
d)
light-year
12.
What is... a model that is exactly proportional to a smaller or larger object?
a)
scale
b)
picture
c)
graph
d)
satellite image
13.
What does it mean when a celestial object spins in place?
a)
revolve
b)
rotate
c)
orbit
d)
fly
14.
What is it called when an object moves in a circle around another object or the center of the circle?
a)
rotate
b)
revolve
c)
spin
d)
orbit
15.
What is... a straight line passing from side to side through the center of a body or figure, especially a circle or sphere?
a)
radius
b)
diameter
c)
circumference
16.
What is... a straight line from the center to the circumference of a circle or sphere?
a)
radius
b)
diameter
c)
circumference
17.
What is... the enclosing boundary of a curved geometric figure, especially a circle?
a)
radius
b)
diameter
c)
circumference
18.
What is... a planet that is close to the sun, has a small mass, is predominantly rocky, high density, and weak magnetic fields?
a)
jovian planet
b)
terrestrial planet
19.
What is... a planet that is far from the sun, has a large mass, is predominantly gaseous, low density, and has strong magnetic fields
a)
jovian planet
b)
terrestrial planet
20.
What is... the amount of time it takes for a planet to revolve around the sun (its “year”)?
a)
period of rotation
b)
light-year
c)
period of revolution
21.
What is... a space rock that’s bigger than a dust grain but smaller than an asteroid. If it strikes Earth, it’s called a Meteorite.
a)
meteorite
b)
meteor
c)
meteoroid
d)
asteroid
22.
What is an astronomical unit (AU)?
a)
same as a light-year
b)
equal to 150,000,000 kilometers
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