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19-5
Test Description: Chapter 19 quiz 5
Instructions: Answer all questions to get your test result.
1) What is the name of our model that proposes how our solar system formed?
A
Heliocentric model
B
Nebular model
C
Geocentric model
D
Ms. McKinnon's randomly made up model
2) What is a nebula?
A
Former planet
B
Former star
C
Large cloud of dust and gas in space
D
Large star
3) What is accretion?
A
When nothing happens
B
When small particles collide and stick together
C
When small particles collide and repel each other
D
The way planets reflect sunlight
4) How did accretion form the planets?
A
by collecting more material and growing bigger
B
By bouncing particles off into space
C
by collecting more gas and starting a fire
D
by collecting more stars
5) What are the four rocks in space?
A
Meteors, asteroids, comets, and satellites
B
Planets, stars, asteroids, and comets
C
Planets, stars, comets, and clouds
D
Stars, asteroids, clouds, and dust
6) What is the difference between a meteoroid and a meteorite?
A
Meteorites enter Earth's atmosphere and burn up, meteoroids collide with Earth's surface.
B
Meteoroids enter Earth's atmosphere and burn up, meteorites collide with Earth's surface
7) Why do comets have long tails?
A
Because the comet is melting
B
As they near the sun, the radiation heats up the comet giving off gases in the form of a long tail
C
Because they have a large following of space particles
D
Because the comet is mishapen
8) Where do comets orbit?
A
Around the gas giants
B
Kuiper belt
C
Asteroid belt
D
Oort cloud
9) Most meteoroids are which type?
A
Stony-iron
B
Metallic
C
Metallic-iron
D
Stony
10) Describe how the moon formed.
A
Earth lost part of its mantle
B
Same as the other satellites
C
A Mars-sized object collided with Earth causing it to lose part of its mantle which started to orbit the Earth
D
Same as the other planets
*select an answer for all questions
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