Planets
Seasons
Outer Space
Moon
Other
100

The second planet from the sun

Venus

100

The ____________ of the Earth is one of the main reason we have seasons.

Tilt

100

Our Solar System is in which galaxy?

Milky Way

100

During this phase of the moon you can see the entire moon in the night sky

Full Moon

100

The force that pulls everything to the center of the Earth

Gravity

200

This planet is in the habitable zone of our sun

Earth

200

When it is Summer in the northern hemisphere it is this season in the southern hemisphere.

Winter

200

This is the measurement used to measure distance in our solar system.

Astronomical Units or AU's

200

This means the moon is getting more visible in the nights sky.

Waxing
200

An object at rest stays at rest while an object in motion stays in motion unless acted upon by an exterior force.

Inertia

300

This is the biggest planet in our solar system

Jupiter

300
In these seasons the Earth is farthest away from the sun on its orbit

Summer/Winter

300

Is the Earth big? Why do giant stars look small in the nights sky?

It depends on what you are comparing it to.


They are far away.

300

This means the moon is getting less visible in the nights sky

Waning

300

It takes the Earth this long to orbit the Sun. It takes the Earth this long to rotate on its axis one time.

365 days/1 year

24 Hours

400

List all the planets in order

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, (Pluto)
400

The longest and shortest days of the year are called this.

Solstice 

400

How many stars are estimated to be in the Milky Way galaxy?

200 billion 

400

This eclipse is when the moons shadow is cast on the Earth

Solar Eclipse 
400

A blood moon can occur during this phenomenon.

Lunar Eclipse 

500

These are the three classifications of a planet

1. It orbits the sun

2. It has enough mass to be rounded by gravity

3. Its path is clear of all other objects

500

How come, even though the Earth is farthest away from the sun, we have Summer and Winter? What causes them?

Half the earth is receiving direct sunlight while the other half is not.

500
This is the name of the belt that Pluto resides in.

Kuiper belt

500

The reason we don't see the dark side of the moon.

Because the moon rotates at about the same speed it revolves around the Earth.

500

A million seconds is about 12 days. A billion seconds is about 31 years. A trillion seconds is about ___________ years.

31,000-32,000

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