Show:
Earth
Sun
Moon
This and That
Vocabulary
100
This causes the Earth's seasons.
What is the tilt of the Earth?
100
The Sun is the closest star to Earth.
Why the Sun appears larger than other stars.
100
It takes this long for the moon to revolve completely around the Earth.
What is 29.5 days or about a month?
100
This Moon revolves around.
What is the Earth?
100
This word describes the Earth spinning continuously.
What is "rotating"?
200
The shape of the Earth
What is a "sphere"?
200
The sun is a big fiery ball of gas called this.
What is a "star"?
200
The moon's surface is covered with hollow areas and pits called.
What are craters?
200
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
200
This imaginary line goes from the North Pole to the South Pole of the Earth.
What is the "axis"?
300
The Earth takes this long to revolve around the sun.
What is 365 1/4 days or about one year.
300
The direction the Sun travels along as it appears to move through the sky.sun rises in this direction.
What is east to west?
300
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
300
Earth's path around the Sun is shaped like...
What is an ellipse?
300
This term is used to describe the phase of the moon when we see all of the lit side.
What is "full moon"?
400
This event causes the Earth to have day and night.
What is the Earth's rotation on its axis.
400
This causes the Sun to rise and set every day.
What is the rotation of the Earth?
400
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time.
What is a "lunar eclipse"?
400
The force that holds things on the ground.
What is gravity?
400
As we see less and less of the lit part of the moon, we say that it is doing this.
What is "waning"?
500
The amount of time it takes for the Earth to make one rotation.
What is one day?
500
As Earth rotates, the part that is facing the Sun has...
What is day?
500
Instead of making its own light, the Moon reflects...
What is the light of the Sun?
500
The path an object follows at it revolves.
What is orbit?
500
The different shapes we see of the moon.
What is the moon's phases?