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Chapter 10
Solar System
19
Science
3rd Grade
11/29/2011

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Cards

Term
A ball of rock or gas that orbits a star
Definition
planet
Term
Causes night and day on the earth
Definition
the earth's rotation
Term
Has most of the mass of our solar system
Definition
sun
Term
Patterns of stars in the sky
Definition
constellations
Term
People who study the stars and planets
Definition
astronomers
Term
The center of our solar system
Definition
sun
Term
The major source of energy for the earth
Definition
sun
Term
The only planet with liquid water and an atmosphere that allows life
Definition
Earth
Term
The path a planet takes around the sun
Definition
orbit
Term
The planet farthest from the sun
Definition
Neptune
Term
The planet known for its rings
Definition
Saturn
Term
The planet that is the hottest and covered with clouds
Definition
Venus
Term
The planet that is the largest and has a red spot
Definition
Jupiter
Term
The planet that is the smallest and closest to the sun
Definition
Mercury
Term
The planet that spins on its side
Definition
Uranus
Term
The red planet
Definition
Mars
Term
The sun appears to move across the sky from ____ to ____
Definition
east to west
Term
The sun is a medium-sized ___
Definition
star
Term
Used to see objects that are far away
Definition
telescope
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