Earth
Sun
Moon
This and That
Vocabulary
100

This causes the Earth's seasons.

The tilt of the Earth

100

The word sol refers to this object.

Sun

100

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

29 days or about a month

100

This keeps the Earth and moon in their orbits.

Gravity

100

This word describes the Earth spinning continuously.

Rotating

200

The shape of the Earth

A sphere

200

The sun is a big fiery ball of gas called this.

A star

200

What term refers to the moon.

Lunar

200

It takes this long for the Earth to complete on full rotation.

24 hours

200

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

Axis

300

The Earth takes this long to revolve around the sun.

365 1/4 days

300

The sun rises in this direction.

East


300

During this phase of the moon, we can see no light from the moon.

New moon

300

Recall the Chinese tradition about a solar eclipse 

A dragon eats the sun until scared away by banging of drums and firing of arrows 

300

This term is used to describe the phase of the moon when we see all of the lit side.

Full moon

400

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

Summer


400

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

Solar eclipse

400

What causes a lunar eclipse

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

400

Why does the sun appear higher in the sky during summer

Due to the tilt of the earth

400

As we see less and less of the lit part of the moon, we say that it is doing this.

Waning

500

Describe the structure of the Earth

Four layers inner core, outer core, mantle and crust. Nickel based core, solid surface, liquid water, a rocky planet. 

500

Explain the structure of the sun

Hot inner core (15 million degrees), no solid surface, luminous, composed of H and He in a nuclear reaction, a ball of gas

500

The moon affects this part of the Earth daily. 

The ocean tides

500

Name the eight phases of the moon 

new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent 

500

How long does it take for Uranus to revolve around the Sun?

84 years