Show:
Earth
Sun
Moon
This and That
Vocabulary
100
The imaginary line horizontally around the middle of the Earth.
What is the "equator"?
100

This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light.

What is a "solar eclipse"?

100

Moon phase where more than half of the moon is lit up.

What is Gibbous?

100

Astronomer responsible for proving that the earth is not the center of the universe with his observations of Jupiter's moons

Who is Galileo?

100

These are patterns of stars in the sky.

What are constellations?

200
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
200

The sun rises from this direction.

What is the "east"?

200
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
200

A rock that enters earth's atmosphere

What is a meteoroid?

200
This term is used to describe the phase of the moon when we see all of the lit side.
What is "full moon"?
300

Two things that keep the earth and moon in orbit.

What are gravity and inertia?

300

The word "helio" refers to this object.

What is the "sun"?

300
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time.
What is a "lunar eclipse"?
300
The sun appears higher in the sky during this time of year because of the tilt of the earth.
What is "summer"?
300
As we see less and less of the lit part of the moon, we say that it is doing this.
What is "waning"?
400
This causes the Earth's seasons.
What is the tilt of the Earth?
400

The most common elements found in the sun.

What are hydrogen and helium?

400
It takes this long for the moon to revolve completely around the Earth.
What is 29 days or about a month?
400
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
400

This word describes the Earth spinning continuously.

What is "rotation"?

500

This model assumes that the earth is the center of the universe

What is geocentric?

500

This refers to the day of the year that the sun is in the sky the longest.

What is the summer solstice?

500
The moon affects this part of the Earth, changing it daily on our beaches.
What is the "ocean tide"?
500

The moon moves around the earth in this direction.

What is counter-clockwise?

500

Part of the sun that is seen around the edge of the moon during a solar eclipse.

What is the "corona"?