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 does this to the moon so that we can see it.

What is illuminate?

100
It takes this long for the moon to revolve completely around the Earth.
What is 29 days or about a month?
100

This keeps the Earth and moon in their orbits.

What is "gravity"?

100
This word describes the Earth spinning continuously.
What is "rotating"?
200

The shape of the Earth

What is a "sphere"?

200

The sun lights up the moon at night, why can't we see the moon at certain times?

Because only half of the moon is lit. 

200
Solar refers to the sun. This term refers to the moon.
What is "lunar"?
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?
300
The sun rises in this direction.
What is the "east"?
300

This phase of the moon happens when the moon is between the Earth and the sun

What is a "new moon"?

300
This object is used to study far away objects in the sky.
What is a "telescope"?
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 student complains about just about anything.

Who is Nadia?

400
This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light.
What is a "solar eclipse"?
400

During this process the moon's shadow is cast on the Earth, and light cannot be seen for a short time.

What is a "solar eclipse"?

400
The sun appears higher in the sky during this time of year because of the tilt of the earth.
What is "summer"?
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 imaginary line horizontally around the middle of the Earth.

What is the "equator"?

500
This is how the sun's rays strike the Earth in the summer.
What is "directly"?
500

This moon's phase is the only time there can be a lunar eclipse.

What is a full moon?

500
We have this special day every 4 years in February because it takes the Earth 365 and 1/4 days to revolve around the sun.
What is "Leap Year Day"?
500
On Brain Pop, they described this part of the sun that is seen around the edge of the moon during a solar eclipse.
What is the "corona"?