Waxing means the sunlight fraction of the moon is...
getting larger
100
How many tails does a comet have?
2
100
The difference in water level from high tide to low tide is called?
tidal range
200
How long does it take the earth to revolve?
365 days
200
Name the inner planets?
Mercury, Venus, Earth, Mars
200
Waning means the sunlight fraction of the moon is getting...
smaller
200
When a meteor hits earths surface its called a?
meteorite
200
Type of tide that happens during a full or new moon?
spring
300
How long does it take the moon to revolve around the earth?
29.5 days
300
Name the outer planets.
Jupiter, Saturn, Uranus, Neptune
300
The moons orbit is?
Tilted 5 degrees
300
A small body made up of rock, ice, and cosmic dust?
Comet
300
Type of tide that happens during a quarter moon?
Neap tide
400
When a planet spins counterclockwise it is called?
Prograde rotation
400
Which planet is turned completely on its side?
Uranus
400
The moon orbits the earth and is called a natural...
satellite
400
What direction does a comets ion tail point?
away from the sun
400
Why does Neptune have the longest revolution time?
It is the furthest from the sun
500
When a planet spins clockwise is it called?
retrograde rotation
500
Venus has the hottest surface, even though it is not the closest to the sun, because its _______________________ traps in the sun’s heat like a blanket.
Atmosphere
500
The dark spots on the moon are called?
Maria
500
Meteor showers occur when earth passes through what?
a comets dust tail
500
Impacts on the moon’s surface are much more severe than on the earth. What do we have that the moon does not?