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Space Systems Vocab

QuestionAnswer
Rotation A planet spinning on its own axis. One Earth Rotation equals on day.
Revolution The movement of the Earth around the Sun. One Earth revolution equals one year.
Gravity A force that pulls objects towards each other.
`Earth Revolves around The Sun.
Our Moon revolves around The Earth.
One Earth Rotation equals One Earth Day--24 Hours.
One Earth Revolution equals One Earth Year--365 Days.
Earth's gravity pulls objects--- Towards the Earth's center.
Gravity is stronger when objects are--- closer to each other.
The Sun is a star
A star is a ball of hot__________ that gives off light. gas
The Sun looks brighter than the other stars because it is _______ to the Earth. closer
Stars are easier to see at ___________. Night
The Moon rotates and __________ around Earth Revolve
It takes about _______ month(s)s for the Moon to orbit Earth. One Month or about 29.5 days
Moon phases happen because we see different amounts of the ___________side of the moon. lit
Seasons are caused by Earth's tilt and _____________ around the Sun. revolution
Summer has _________ daylight than winter. More
Day and night are caused by Earth's ____________. Rotation
The Sun appears to move across the sky because earth is ____________ Rotating or spinning
Why can't see stars during the day? We can't see stars during the day because it is to bright from the Sun.
What keeps the Moon in Orbit? Gravity keeps the Moon in Orbit.
What causes Seasons? The tilt of the earth in it's revolution around the Sun towards the Sun.
Created by: user-2036535
 

 



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