a
VOCAB-an object in orbit around another object
satellite
what do you call a meteoroid that has hit earths atmosphere
meteor
VOCAB-one full orbit of an object around another object
revolution
what shape is the earths orbit around the sun
elliptical
what do you call a small asteroid
meteoroid
what word means shrinking
wanning
what is a shooting star
a meteor
what word means growing
waxing
VOCAB-imaginary center line around which the earth rotates
axis
what side of the moon do we see from earth
the near side
during what phase of the moon is the moon passing between the earth and the sun
new moon
when are waves and water at their maximum point on land
high tide
what happens to the tides when the moon and the sun form a 90 degree angle with the earth
low tide
why is it always so cold at the north and south poles
because of the tilt of the earth on its axis
VOCAB-rocky mass up to several hundred kilometers wide that revolves around the sun
asteroid
what are the four parts of a comet
nucleus, coma, ion tail, dust tail
what is the main cause of the tides on earth
the pull of the moons gravity
VOCAB- one whole spin of an object on it axis
rotation
what causes the earths seasons
the tilt of the earth
what do you call a piece of meteor that lands on earth
meteorite
give three land forms on the moons surface
craters, valleys, mountains, flat smooth plains
what are waves and water at their minimum point on land
low tide
what are the gas giant plaints
Jupiter, Saturn, Neptune, Uranus
VOCAB- frozen mass of ice and dust orbiting the sun
comet
VOCAB- an indication of the fraction of the moon that is illuminated as seen from the earth
moon phase