People
earth centered universe
Ptolemy
what is the term we use for when the moon is "growing" toward a full moon
waxing
trip around the sun
revolution
which planets have no moons
Mercury and Venus
small rocky objects that orbits the sun, "little planet", hundreds of miles to the size of a house
law of gravity
Newton
water rises and moves up the shore
high tide
earth spins on its axis resulting in our 24 hour day
rotation
List inner planets in order
Mercury Venus Earth Mars
orbiting object that develops a tail when it comes close to the sun
comet
sun centered system
Copernicus
the moon's ____________ causes the ocean water to pull toward the moon (tides)
gravity
greenhouse effect
List outer planets in order
Jupiter, Saturn, Uranus, Neptune
space debris smaller than the smallest asteroid, not entered in the earth's atmosphere
meteoroids
every planet has an orbit; orbits are elliptical
Kepler
the moon orbits the ________
earth
10-30 miles above the earth's surface; protects from harmful rays from the sun
ozone layer
What shape is the earth's shape of its orbit
elliptical, but almost circle
a meteorite that hits the earth
meterorite
Your 6th grade teacher (must be spelled correctly)
Miss Tucci
during a lunar eclipse what is the phase of the moon
full moon
in addition to the greenhouse effect, what else keeps the earth at mild temperatures
oceans
term used for distance between the earth and sun
astronomical unit
what are the three parts of a comet
nucleus, coma, tail