Space Vocabulary
The path something takes around another object
orbit
The spinning of Earth on its axis
rotation
The Moon orbits this object
Earth
What causes seasons on Earth
Earth’s tilt and revolution
Does the Moon have day and night
yes
Natural objects in space like planets and stars
celestial objects
The movement of Earth around the Sun
revolution
Earth and Moon both orbit this object
Sun
How tilted Earth is
23.5 degrees
About how long daytime lasts on the Moon
about 2 weeks
The imaginary line Earth spins on
axis
How long it takes Earth to rotate once
24 hours
Name one thing caused by the interaction of Earth, Sun, and Moon
day/night, seasons, tides, eclipses, or moon phases
When the Northern Hemisphere tilts toward the Sun, what season is it
summer
How long one full “day” on the Moon lasts
about 1 month
A shape slightly squished at the top and bottom (Earth’s shape)
oblate spheroid
What causes day and night
Earth’s rotation
About how long it takes the Moon to orbit Earth
about 27 days (1 month)
What kind of sunlight causes warmer temperatures
direct sunlight
The Moon rotates slower or faster than Earth
slower
The imaginary line around the middle of Earth
equator
Why we don’t feel Earth spinning
it moves at a steady speed and we move with it
Why we always see the same side of the Moon
it rotates and revolves at the same time
True or False: Seasons happen because Earth is closer to the Sun
False
Why the Moon has long days and nights
its slow rotation