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5.4C Mrs Jensen
Astronomy
16
Science
5th Grade
12/06/2011

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Cards

Term
digit
Definition

a symbol used to write numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

 

Term
period
Definition
a three-digit group of numbers, separated from other groups by a comma
Term
elliptical
Definition
an oval shape, like a flattened cirlce
Term
model
Definition
a representation of how something looks or works
Term
asteroid
Definition
a rocky object that revolve around the sun
Term
meteoroid
Definition
a small piece of rock and metal that travels in space around the sun
Term
meteor
Definition
a bright streak of light that pases through Earth's atmosphere
Term
comet
Definition
a ball of ice, dust, and hases that travels through space and orbits the sun
Term
meteorite
Definition
a piece of a meteor that lands on Earth after passing through the atmosphere
Term
light year
Definition
the distance light travels in one year
Term
constellation
Definition
stars that appear to be in groups when viewed from Earth
Term
galaxy
Definition
a group of billions of stars, dust, and gases in space held together by gravity
Term
spectroscope
Definition
an instrument that separates light into a pattern of lines of different colors
Term
refraction
Definition
the bending of light as it passes from one material to another
Term

reflection

 

Definition
the bouncing of light off a shiny surface
Term

label the planets

 

Definition
the Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
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