Earth
Sun
Moon
This and That
Vocabulary
100

This causes the Earth's seasons.

The 23.5 degree tilt of the Earth

100
The word "solar" refers to this object.
The Sun
100

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

27 - 29 days

100

This keeps the Earth and Moon in their orbits.

Gravity

100

The Earth r_____ about its a______ o______ every 24 hours.

rotates axis once

100
What 3D shape is the Earth?
Sphere
100
The sun is a big fiery ball of gas called this.
A Star
100

What type of tide occurs during a First Quarter Moon or Third Quarter Moon?

First Quarter Moon or Third Quarter Moon - Neap Tide (Minimum difference between high and low)

100

Explain what happens during a total solar eclipse

The moon moves between the Earth and the Sun and blocks light to a small part of the Earth.  Solar Eclipses occur during a new moon and during daylight.  Not everyone on Earth gets to see it.

100

Define Gibbous

Relating to the appearance of the moon. Illumination shows the moon to be larger than a semi-circle  but smaller than a full moon.

100
The Earth takes this long to orbit around the sun.
365 (& 1/4) days
100

What is the name of the edge of the sun which can only be seen during a total solar eclipse?

The Corona

100
Name the 8 phases of the Moon in order, starting with New Moon.
1. New Moon, 2. Waxing Crescent, 3. 1st Quarter, 4. Waxing Gibbous, 5. Full Moon, 6. Waning Gibbous, 7. Last Quarter, 8. Waning Crescent - Back to New Moon.
100

In a geocentric model of the solar system, what is at the centre?

The Earth

100
This term is used to describe the phase of the moon when we see all of the lit side.
Full Moon
100

How long does it take for the Earth to rotate once about its axis?

24 hours or 1 day

100
This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light and causing darkness to a specific part of Earth.
A Solar Eclipse
100
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time. Name the 2 types of shadow.
A Lunar Eclipse. Penumbral Shadow and Umbral Shadow
100

Choose the best answer.

How often would you see a lunar eclipse?

a) every full moon

b) every quarter moon

c) once or twice a year

d) once every 10 years

c) once or twice a year

100
As we see less and less of the lit part of the moon, we say that it is doing this.
Waning
100
This is when the Moon moves completely into the Earth's shadow and turns a dark red

Lunar Eclipse

100

What type of sunlight causes summer in the southern hemisphere?

direct

100

What type of tide occurs during a New Moon or Full Moon?

New Moon or Full Moon - Spring Tide (Maximum difference between high and low)

100

Choose the best answer. How often would you see a total solar eclipse?

a) every full moon

b) every new moon

c) once or twice a year

d) once every 10 years

d) once every 10 years

100

What is the term used when the illumination of the moon is increasing?

Waxing

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