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Unit 3 Review

Authored by Jason Hicks

Other Sciences

8th Grade

Used 24+ times

Unit 3 Review
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The outer planets are small, rocky planets with iron cores.

True
False 
Neither 
Both 

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A meteor, is actually a meteorite that burns up in the Earth's atmosphere. 

True
False
Neither 
Both

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A group of stars, gas and dust held together by by gravity is a _______ . 

galaxy
constellation
Local Group
both a and b 

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The outer planets are mainly composed of which of the following? 

hydrogen and oxygen
hydrogen and helium
helium and oxygen 
nitrogen and helium

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a common trait of the inner planets? 

They are the same size.
The atmospheres are made up of the same gases. 
They all have water.
They all have a solid outer layer. 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All of the outer planets have which of the following? 

both moons and ring systems
just moons
just ring systems
none of the above; Saturn has rings while the rest have moons. 

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basic shape of every planet's orbit? 

circle 
elipse
oval 
egg

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