Earth Sun Moon

To spin on an axis

• rotate
• revolve
• hop
• equator

 to spin on an axis

• rotate
• revolve
• orbit
• hop

the air that surrounds the Earth; it is made of a mixture of gases

• atmosphere
• gravity
• carbon dioxide
• oxygen

the imaginary line around which Earth rotates

• equator
• atomosphere
• axis
• rotate

order of the planets

• Mars, Venus, Earth,, Jupiter, Saturn,Mercury, Uranus, Neptune
• Venus,Mercury, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Mars, Neptune, Saturn, Uranus, Jupiter

the force of attraction between objects, such as the attraction between Earth and objects on it 

• mass
• weight
• atomosphere
• gravity

an object, such as a moon, that moves around a much larger object

• meteor
• satellite
• asteroid
• atmosphere

to go around, or orbit, another object

• revolve
• rotate
• orbit
• spin

the path of one object in space around another

• rotate
• spin
• revolve
• orbit

caused by the tilt of the Earth (23.5*)

• day
• seasons
• month
• night