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Unit 8 Review Questions
Unit 8
17
Science
5th Grade
12/18/2008

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Term
The force of attraction between two objects is called ____________.
Definition
gravity
Term
A(n) __________ is an instrument that is used to see things that are far away.
Definition
telescope
Term
A large object that orbits a star but does not give off its own light?
Definition
planet
Term
An object in space that produces its own heat and light.
Definition
star
Term
The tendency of a moving object to keep moving in a straight line.
Definition
inertia
Term
One complete trip around the Sun is a(n) _________.
Definition
revolution
Term
Most ________ are located between Mars and Jupiter.
Definition
asteroids
Term
An object in space that circles around another object is a(n) _______________________.
Definition
Satelite
Term
A(n) _____________ is made of a mixture of frozen gases, ice, dust, and rock.
Definition
comet
Term
Patterns formed by stars are called _____________.
Definition
constellations
Term
A force of attraction that exits between any two objects is _____________.
Definition
gravity
Term
The strength of the pull of gravity depends  on __________.
Definition
mass and distance
Term
A huge cloud of gas and dust in which stars form is a _________. 
Definition
nebula
Term
What is a star called in its earliest stage?
Definition
protostar
Term
A pattern of stars in the night sky is called a __________.
Definition
constellation
Term
Saturn's rings are composed of _________.
Definition
ice and rock
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