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Solar System Study Guide Answer Key
Tuesday, February 28th
1.
2.
3.
4.
Constellations are patterns of __stars__ against the night sky.
The ____sun______ is the center of the Solar System.
The air surrounding Earth is our __________atmosphere_____.
Meteors are objects that ___burn_ up as they enter the Earth’s
atmosphere.
5. The ______sun__ is the only ___star______ close enough for us
to study.
6. Natural satellites that orbit bodies in space are called
___moon_______.
7. The ___asteroid___________ _____belt______ separates the
inner and outer planets.
8. The sun and all of the objects that orbit around it is the
____Solar_________ _______System_________.
9. Lumps of ice, rock, frozen gas and dust that orbit the sun are
___________comets__.
10.
_______Light Year__________ is a unit used to measure
distances between objects is space.
11.
The Asteroid Belt is located in space, orbiting the sun
between the planets ___Mars_____ and ____Jupiter_______.
12.
The curved movement of objects in space around another
object in space is called ________orbit_______.
13.
_________Mercury____ is the closest planet to the sun.
14.
Venus is Earth’s ___sister_______ _planet_________.
15.
A well know feature of Jupiter is __________The Great Red
Spot_________.
16.
The planet closest to Earth in size is _____Venus_________.
17.
_____________Venus___ and _______Mercury______ are
the only two planets in our Solar System without moons.
18.
The Earth’s ___________tilt_____ on its axis causes the
Earth’s season.
19.
Maria is ______dark spots___________________ on the
moon.
20.
Waxing is the visible part of the moon _increasing___.
21.
Huge collections of stars, gas, and dust traveling through
space are ______galaxies______.
22.
The four inner planets are ____Mercury______,
_______Venus__, _____Earth_______, and ____Mars____.
23.
Rings are the main feature of the planet
___Saturn________.
24.
Waning is the visible part of the moon _____decreasing__.
25.
The smallest planet in our Solar System ___Pluto______ was
reclassified as a dwarf planet in 2006.
26.
Our Solar System is located in the _____Milky Way_____
galaxy.
27.
A _______Black Hole____ is when a massive star has
collapsed and pulls everything in, even light.
28.
__________Mars___ is known as the “Red Planet.”
29.
Asteroids are called ____minor____ planets.
30.
_______Comets___ are dirty snowballs with long elliptical
orbits around the sun.
31.
The five outer planets are _Jupiter______, __Saturn____,
______Uranus__, __Neptune,__ and _____Pluto_______.
32.
The inner planets are made of ____rock____, while the
outer planets are made of _____gas____.
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