the path an object takes as it moves around another object in space
What is orbit
100
the number of planets in the solar system
What is eight
100
the spinning of an object on its axis
What is rotation
100
the season the northern half experiences when tilted towards the sun
What is summer
100
the different shapes the moon seems to have in the sky
What are phases
200
the sun and the objects that orbit around it
What is the solar system
200
the first planet closest to the sun
What is Mercury
200
the length of time it takes Earth to rotate on its axis
What is 24 hours
200
the season the southern half experiences when tilted away from the sun
What is winter
200
the length of time it takes the moon to go through all of its phases
What is 29 1/2 days
300
a large body of rock or gas that orbits the sun
What is a planet
300
Earth's position from the sun
What is the third planet
300
the movement of one object around another object
What is revolution
300
the reason Earth has seasons
What is its axis is tilted
300
during this phase, the right half of the moon's lighted face can be seen
What is first quarter moon
400
a chunk of rock or metal that orbits the sun. There are thousands of these in a belt between Mars and Jupiter
What is an asteroid
400
this planet has a large system of rings that reaches 260,000 miles from its surface
What is Saturn
400
the length of time it takes the Earth to make one revolution around the sun
What is 365 1/4 days
400
caused by Earth's revolution
What are seasons
400
during this phase, the whole face of the moon can be seen.
What is full moon
500
a large ball of ice and dust that orbits the sun. When this gets close to the sun, its glowing gasses stream out in a long tail that looks like a bright streak in the sky.
What is a comet
500
this planet rolls on its side as it orbits the sun
What is Uranus
500
explain the movement of the moon, Earth, and sun using the vocabulary words Revolution and Rotation
What is the moon rotates on its axis as it revolves around Earth. The Earth rotates on its axis as it revolves around the sun
500
caused by Earth's rotation
What is day and night
500
this occurs when the moon's shadow falls on Earth and blocks the sun