Solar System
What are the 4 terrestrial planets?
Mercury, Venus, Earth, Mars
How does the moon move?
It revolves and rotates.
What happens every 24 hours?
Earth rotates one full rotation
True or False: The Sun is a satellite.
False - It is a star.
What are the 6 cycles we experience on Earth as a result of the Sun-Earth-Moon system?
day and night
length of month
length of year
seasons
tides
lunar phases
How long does it take to revolve or orbit around the Sun?
What does it cause?
365 days or 1 year
Seasons
Why does the Moon appear to move in the sky?
Because the Earth is rotating
What is rotation?
spinning on its axis
What do we experience on Earth as a result of the Earth's rotation?
Day and night.
What happens every 365.25 days?
1 year
How many planets are there?
8
How much smaller is the moon than the Earth?
4x
How long does it take the Earth to rotate once?
What does it cause?
24 hours
Day and night
How long does it take the Earth to revolve around the sun?
365.25 days
How long is the moon cycle or how long does it take moon to orbit Earth?
about 29 1/2 days or one month
What is a smaller body that revolves around a larger body called?
satellite
What do we see on earth as a result of the moon revolving?
Moon Phases
What is Revolution?
When one body goes all the way around another.
How does the sun move?
It rotates every 27 days
What repeating cycle is responsible for the four seasons that occur on Earth?
revolution of Earth around the Sun
Why do stars appear to move across the sky at night?
The earth is rotating
How many days does it take for the moon to revolve around the earth?
29 days
How does the earth move?
It rotates and Revolves.
How long does Earth take for one rotation?
24 hours
When exploring space systems, why do we use relative models more than scale models?
Scale models are too big.