Topic 2 The universe

Flashcard
•
Science
•
8th Grade
•
Hard
Michelle Anderson
FREE Resource
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41 questions
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1.
FLASHCARD QUESTION
Front
How old is our solar system?
Back
4.6 billion years
2.
FLASHCARD QUESTION
Front
A celestial cloud of dust and gas is called . . .
Back
nebula
3.
FLASHCARD QUESTION
Front
A massive explosion of a star is called . . .
Back
supernova
4.
FLASHCARD QUESTION
Front
What celestial body eventually evolved into our modern solar system? Options: a nebula, a supernova, a quasar, a galaxy
Back
a nebula
5.
FLASHCARD QUESTION
Front
When the solar nebula spun out into a disc-shape, what direction did it start spinning?
Back
counter-clockwise
6.
FLASHCARD QUESTION
Front
Does the gravity of planets cause them to migrate slowly over time?
Back
Yes, and they are STILL moving!
7.
FLASHCARD QUESTION
Front
When the inner planets (and moons) were bombarded by asteroids, what did the asteroids leave behind?
Back
craters
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