Key Vocabulary
Earth's Motion
Space Objects
Earth's Axis
The Moon
100
The force of attraction between any two objects
Gravity
100
Earth travels in this type of path around the sun
Oval-shaped or Elliptical
100
Chunk of rock from space that travels through Earth's atmosphere
Meteor
100
This affects the seasons
Tilt of Earth's axis
100
When the lit part of the moon grows larger, it is
Waxing
200
The path one object takes around another object
Orbit
200
This is the pattern that occurs because of Earth's orbit
Pattern of Seasons/Length of a year
200
This is when it reaches Earth
Meteorite
200
Earth receives more or less sunlight during the year because
The tilt
200
Completely dark moon is called
New Moon
300
Earth completes this every 24 hours
Rotation
300
This is why we don't feel Earth move
We move as it rotates
300
When a meteorite hits Earth this occurs
Crater or burns up
300
Daily changes in the length and direction of shadows is because
Earth's rotation
300
Force that causes the rise and fall of ocean tides
Gravitational pull of the moon
400
Earth completes this around the sun every year
Revolution
400
Earth rotates every
24 hours
400
Space rocks in space
Meteoroids
400
Rotation causes
Day and Night
400
Side of the Earth facing the moon, Earth's water levels
Rise
500
Earth's gravity pulls objects toward its
Center
500
Earth revolves every
364 1/4 days
500
Rocky objects almost mirroring planets
Asteroids
500
Revolution causes
Seasons
500
Waning Gibbous