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Scott Foresman Science Grade 3 Chapter 15

Patterns in the Sky
STUDY
PLAY
star
a massive ball of hot gases that produces its own light
axis
an imaginary line around which Earth spins
rotation
one complete spin on an axis
revolution
one complete trip around the Sun
phase
each different way that the Moon looks
lunar eclipse
Earth's shadow moving across the Moon
telescope
a tool that gathers lots of light and magnifies objects that are far away and makes faint stars easier to see
constellation
a group of stars that make a pattern or shape