Seasons
Lunar Cycle and Tides
Planets and Gravity
Asteroids, Meteors, Comets
Galaxies and Light-Years
100

This measures at an angle of 23.5°.

What is the tilt of Earth's axis?
100

The positions of the sun, moon and Earth during a neap tide.

What is a 90° angle?

100
This is the largest planet in the solar system.

What is Jupiter?

100

This rocky structure can most commonly be found between Jupiter and Mars.

What is an asteroid?

100
The name for all of space and everything in it.

What is the Universe?

200

This is the cause of Earth experiencing day and night.

What is Earth's rotation on it's axis?

200

This occurs with the New and Full moons.

What is a spring tide?

200

These planets are known for being smaller, closer together and having a rocky surface.

What are the terrestrial or inner planets?

200

This is more commonly named a shooting star.

What is a meteor?

200

This is the distance light can travel in 365 days.

What is a Light-Year?

300

These two terms are used to describe the four days a year that officially start the four seasons. 

What are equinox and solstice?

300

The moon phase that occurs between the First Quarter and the Full moon.

What is a Waxing Gibbous?

300

Gravity is affected by these two factors.

What are mass and distance?
300

You will find these space bodies orbiting the sun with their tails facing away from the sun due to solar wind.

What are comets?

300

This has no definite shape or pattern.

What is an irregular galaxy?

400

A period of three months when the south pole has constant daylight due to the tilt of Earth's axis. 

What is summer in the southern hemisphere?

400

This is the moon phase that occurs between the waning crescent and waxing crescent.

What is the new moon?

400

These planets are larger, very spaced out, and less dense than other planets.

What are the gas giants or outer planets?

400

A meteoroid enters Earth's atmosphere to become this, it then it hits the surface of the Earth and becomes this.

What are a meteor and a meteorite?

400

This has an oval shape and is made of mainly older stars. 

What is an Elliptical Galaxy?

500

The type of light the northern hemisphere experiences when the southern hemisphere is tilted towards the sun.

What is indirect sunlight?

500

Even though the sun has the strongest force of gravity in our solar system, this factor causes the moon to have the greatest affect on the tides.

What is the moon's distance from Earth?

500

All planets in our solar system orbit around the sun because of this factor.

What is the mass of the sun?

500

This structure of a comet is often called a dirty snowball, it is made of frozen ice, dust and gas.

What is a nucleus?

500

This has a disk shape, with arms extending from the dense cluster of stars at the center.

What is a spiral galaxy?