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Our Solar System
Our Solar System
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20 solar system vocabulary words
Flashcards
29 cards
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Answers
1
This word means "to spin." (As in, the Earth "spins" on its axis.)
revolve
rotate
tilt
orbit
2
Rocks, that are smaller than planets, that revolve (travel around) the sun.
asteroids
comets
meteors
shooting stars
3
What is the closest star to Earth?
Leo
Polaris
Sun
North Star
4
Particles in space that fall towards Earth and burn up in the sky. Also called shooting stars.
comet
meteor
asteroid
star
5
The Sun and all the planets and objects that travel around the Sun.
galaxy
universe
solar system
astronomy
6
What causes the seasons?
In the summer, Earth is closer to the sun.
The rotation of the Earth.
The orbit of the moon.
The tilt of the Earth and it's orbit around the sun.
7
What do you call the imaginary pole that a planet or star spins around?
rotation
revolve
axis
pole
8
This word means EVERYTHING! (All stars, planets, moons, asteroids... EVERYTHING!!)
space
world
universe
galaxy
9
What causes the seasons on Earth?
weather
How close the Earth is to the Sun
clouds
The tilt of the Earth
10
Why does the Sun look so much bigger than the other stars?
it's not bigger; it's actually much smaller
it's just really, really big
it's a very special star
it's not bigger, it's just closer
11
The path that a planet or star takes as it travels around another planet or star.
rotation
circle
orbit
asteroid belt
12
How long does it take the moon to orbit Earth?
About a day
About a year
About a month
About a week
13
How long does it take the Earth to rotate seven times?
one day
one week
one year
one month
14
Which word means "the science of studying space"?
astronomy
planetary motion
star-gazing
spaceology
15
A huge, glowing ball of gas in space. (They look like tiny points of light in the night sky.)
planet
comet
star
meteor
16
What causes night and day on the Earth?
The Earth rotates.
God turns out the Sun when it's time for bed.
The Earth is tilted on its axis.
The Earth is revolving around the Sun.
17
The rising and setting of the moon is mostly caused by what?
The rotation of the Earth.
The rotation of the sun.
The shadow of the Earth.
The revolution of the Earth.
18
A very large, round object in space which orbits a star.
moon
planet
asteroid
star
19
Which month has the "shortest" days (or the fewest daylight hours) in New York?
June
December
September
March
20
Why does the Sun appear to rise and set each day?
The Earth is tilted on its axis.
It is traveling across the sky.
The Earth is revolving around the Sun.
The Earth is rotating.
21
How big of a star is our Sun?
kind of small
Medium-size
it's not a star
super big
22
What is this a picture of?
Mars
a marble
Mercury
Earth
23
What does the word "lunar" mean? (As in "lunar eclipse" or "lunar phases" or "lunar lander".)
crazy
having to do with the moon
nighttime
being like a bird
24
What do you call a large, round object in space that orbits a planet? (Earth has only one!)
planet
asteroid
moon
meteor
25
The force which pulls objects toward the center of a planet or star. Makes objects "fall".
matter
mass
weight
gravity
26
What causes the Earth and the moon to orbit the sun?
the moon's gravity
Earth's gravity
Mercury's gravity
The sun's gravity
27
A large group of stars and planets. (We live in one called The Milky Way.)
galaxy
astronomy
space
solar system
28
In New York, which month has the "longest" days (or most hours of daylight)?
December
March
June
September
29
This word means "to orbit" or "travel around" another object in space
spin
revolve
axis
rotate
