Earth
Sun
Moon
Stars
Vocabulary
100

When it is winter in North America, Australia experiences this season.

What is summer?

100

The word "solar" refers to this celestial object.

What is the sun?

100

It takes this long for the moon to revolve completely around the Earth.

What is 28ish days (about a month)?

100

The closest star to Earth.

What is the sun?

100

This word describes the Earth spinning continuously.

What is rotating?

200

The Earth takes this long to revolve around the sun.

What is 365.25 days?

200

The more direct the sun's light is and the more concentrated into a small area it is, the more the temperature does this.

What is increase?

200

This is the percentage of the moon that is always illuminated.

What is 50%?

*Follow up: then why do we see diff moon phases?

200
This circumpolar star is always just north of the North Pole.

What is Polaris?

200

This imaginary line goes from the North Pole to the South Pole of the Earth.

What is the axis?

300

DAILY DOUBLE:
The shape of the Earth and the shape of its orbit.

What is a (slightly bulging) sphere and an ellipse?

300

The sun (and stars) appears to move across the sky, rising in the east and setting in the west due to this phenomena.

What is the Earth's rotation?

300

When this moon phase passes through Earth's orbital plane, we experience a lunar eclipse.

What is a full moon?

300

This is how seasonal stars appear to move through the sky (like the sun) due to Earth's rotation.

What is rising in the east and setting in the west?

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

These 2 things cause the Earth's seasons.

What are the tilt of the Earth AND its revolution around the sun?

400

This occurs when the moon moves between the sun and the Earth, blocking some (or all) of the the sun's light.

What is a solar eclipse?

Follow up: why don't we have these more often?

400

During this phase of the moon, we can see no moon at night.

What is the new moon phase?

400

These types of star are NOT always visible; they are only when they are ABOVE Earth’s orbital plane.

What are seasonal stars?

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

When the North and South Poles are equal distance from the sun, and the sun is directly overhead at the equator at noon.

What is an equinox?

500

A solar eclipse happens when the sun grows darker and appears to change shape because light from the sun is blocked which moon phase?

What is a new moon?

500

During this phenomena, the moon moves through the Earth's shadow, and cannot be seen for a short time.

What is a lunar eclipse?

follow up: WHY don't we have these more often?

500

A constellation that can be seen year round.

What is circumpolar constellation?

500

The latitudes furthest north and south that receive sunlight at a perpendicular angle.

What are the tropics?

(of Cancer and of Capricorn)