Earth's Sky Earth in Space Gravity and Motion Phases and Eclipses The Moon
100
A pattern or group of stars that represents a figure or object.
What is a constellation?
100
Revolution.
What do we call the movement of the Earth around the sun?
100
Gravity.
What is the force that attracts all objects toward each other?
100
One.
How many times does the moon rotate on its axis while it orbits the earth?
100
Maria, crater, highland
Three things cause variations on the moon's surface, name two
200
A body that orbits a planet. Moon.
What is a satellite AND give an example.
200
Rotation.
What do we call the movement of Earth on its axis?
200
Mass and distance.
Gravity depends on two things, what are they?
200
We always see the same side of the moon.
Why can we always seen "the man in the moon"?
200
1/4
The moon is approximately what fraction of the Earth's size?
300
Hot gasses.
What are stars made up of?
300
The tilt of the Earth on its axis.
What causes the seasons?
300
Decrease.
As distance increases, does gravity's pull increase or decrease?
300
The moon phases.
What does the changing relative position of the moon, Earth, and sun cause?
300
There is no atmosphere.
Why do the moon's temperatures vary so much?
400
Meteor: object burns upon entering Earth's atmosphere. Comet: dust and ice that gives off light as it gets closer to the sun.
What is the difference between a meteor and a comet?
400
The rotation of the Earth on its axis.
What causes day and night?
400
Inertia.
What do we call the tendency of an object to resist a change in motion?
400
sun, moon, Earth.
What is the order of the moon, Earth and sun during an solar eclipse?
400
1/6
What fraction of Earth's gravity is there on the moon?
500
Apparent motion of the sun is due to Earth's movement.
What does it look like the sun is moving across the sky?
500
Equal night.
What does equinox mean?
500
Gravity and inertia.
What two forces combine to keep Earth in orbit around the sun?
500
sun, Earth, moon.
What is the order of the sun, moon, and Earth during a lunar eclipse?
500
A very thin layer in the soil.
Describe the amount of water found on the moon.






The Earth, Moon, and Sun

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