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Earth, moon, sun
Chapter 7
19
Science
4th Grade
01/10/2011

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Cards

Term
planet
Definition
a satellite of the sun
Term
orbit
Definition
the path a revolving object moves around
Term
axis
Definition
a real or imaginary line that a spinning object turns around
Term
constellation
Definition
a pattern or picture outlined by stars
Term
star
Definition
a hot sphere of gases that gives off energy
Term
revolve
Definition
to move around an object
Term
asteroids
Definition
chunks of rock or metal that orbit the sun
Term
rotate
Definition
to spin around
Term
crater
Definition
a hollow area, or pit, in the ground
Term
comets
Definition
chunks of ice and other material that move in long, narrow orbits
Term
What causes the cycle of day and night?
Definition
Earth's rotation on its axis
Term
Earth's trip around the sun takes how long?
Definition
one year or 365 1/4
Term
What causes seasons on Earth?
Definition
the tilt of the Earth on its axis as it revolves around the sun
Term
What is it called when the moon is between the Earth and Sun?
Definition
new moon (no light)
Term
Does moonlight come from the moon or sun?
Definition
sun
Term
What position is Jupiter from the sun?
Definition
fifth
Term
What are the characteristics of the inner planets?
Definition
They are closest to the sun.
They are warmer and smaller planets.
They are made of solid, rock-like materials.
Term
Waht are the two largest planets in our solar system?
Definition
Saturn and Jupiter
Term
Describe a Gibbus moon.
Definition
A Gibbous moon looks almost full, but is shaded just a little on either left or right
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