Science Unit 6: Earth and Space
About how long does it take for earth to make a half of rotation around the sun?
6 months
What causes earth to change from day to night?
Earth rotating about its axis
How is Earth different that Jupiter?
It has diverse life, no rings, and just one moon.
Describe Jupiter.
It is the largest planet in the solar system with 63 moons.
What is the largest planet?
Jupiter
What are the outer planets?
Jupiter, Saturn, Uranus, Neptune
What is the smallest planet?
Mercury
What is the order of the planets from the sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What are the inner planets?
Mercury, Venus, Earth, and Mars
What do all eight planets have in common?
a solid core
How long does the moon take to revolve around Earth once?
about as long as one rotation of the moon
What is a small object that shoots across the sky with a stream of light behind it called?
comet
If the moon started rotating faster, how would its appearance change if you were looking at it from Earth?
different sides of the moon could be seen
What kind of cores do inner planets have?
large, solid cores
How do rotating objects move?
like a turning top
What causes changes in appearance to the moon's shape?
moon phases
What is the helpful sentence to remember all 8 planets in order from the sun?
my very educated mother just served us noodles
What position on Earth would allow someone to see a new moon?
new moon
What is the path one object takes around another object in space called?
orbit
What kind of planets have the largest diameters in the solar system?
outer planets
What is a large round object that revolves around a star?
planet
What did Galileo discover that helped expand our knowledge of the solar system?
proof of the theories of Copernicus
What is one thing that all eight planets do?
rotate on their axes
What word means the same as moon?
satellite
What is a star and all the bodies that revolve around it called?
solar system
Describe the diameters of the inner planet.
the diameters are smaller than the outer planets
There is a first quarter moon outside. One week later, you are able to see it better, why?
the lighted side of the moon can be seen better since the phase changed
If the moon started revolving faster, what effect would it have on the moon's phases?
the moon would still revolve around Earth, but it would take less time for the moon to make one revolution, so the moon phases would be shorter
When it is summer in the northern hemisphere, what season is it in the southern hemisphere?
winter
