Space Unit Review
Authored by David Arbour
Science
6th Grade
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86 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Big Bang Theory states that 13.7 billion years ago, the universe was:
a singular point with infinite density and temperature
a vast expanse of empty space
a collection of galaxies
a stable and unchanging entity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Cosmic Microwave Background is:
a type of cosmic radiation filling the universe
a type of star
a type of galaxy
a type of black hole
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Solar System consists of what celestial bodies?
Only planets
Planets and moons
Planets, moons, asteroids, and comets
Only asteroids and comets
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the path that one object takes around another object in space called? * Example: Earth's orbit is the path it follows around the Sun
Orbit
Trajectory
Pathway
Route
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the force that pulls objects toward each other? * Example: Gravity keeps planets circling around the Sun
Magnetism
Gravity
Friction
Electricity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which planet formed first in our solar system?
Mercury
Venus
Earth
Jupiter
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Grand Tack is a hypothesis that explains the early migration of which planet in our solar system?
Mars
Jupiter
Saturn
Venus
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