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Earth and its neighbors
Topic 1 earth science
8
Science
5th Grade
02/11/2011

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Cards

Term
Solar System
Definition
The sun and the objects that are traveling around it
Term
Planet
Definition
Any of the nine large bodies that travel around the sun and shine by reflecting its light
Term
Gravity
Definition
a force of attraction or pull between any object and any other objects around it
Term
Inertia
Definition
The tendancy of a moving object to keep moving in a straight line
Term
Lithosphere
Definition
The hard outer layer of Earth about 100 kilometers thick
Term
Crust
Definition
The rocky surface that makes up the top of the lithosphere
Term
Resource
Definition
any material that helps life on earth
Term
hydrosphere
Definition
earths water
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