Planets!
The Sun!
Gravity
What else is out there
Unique Earth
100
This planet is the "3'rd rock from the sun". It has a large amount of water on its surface and is the only planet that currently has conditions which sustain life as we know it.
What is Earth?
100
These are dark areas on the sun's surface.
What are sunspots?
100

These are 2 factors that affect Gravity. 

What is Distance and Mass

100

This is a small, orbiting body made up of dust, ice, and frozen gases. The solid center of this is its nucleus, and like all objects in the solar system it orbits the sun.

What are comets?

100

Earth's rotation takes this amount of time

What is 24 hours?

200
Small and recently re-classified as a dwarf planet, this is the littlest planet found furthest out in our solar system.
What is Pluto?
200
The sun, and all bodies that orbit around it form this.
What is the solar system?
200

This is a force that acts on objects. If two objects are placed in space, they will be drawn towards each other by this force.

What is gravity?

200

This is a "shooting star" when a meteoroid enters the Earth's atmosphere

What is a meteor?

200

Earth's revolution around the sun takes ______

What is 365.25 days?

300
This is the largest planet in the solar system.
What is Jupiter?
300
All objects in the solar system travel around the sun in this kind of orbit that is not circular, but more oval shaped.
What is elliptical orbit?
300

What object has the most gravity in our solar system? 

What is the sun?

300

When a meteor hits the Earth. 

What is a meteorite?

300

This is the reason why Earth has seasons.

What is the tilt of the Earth's axis as it revolves around the sun?

400
This is known as the red planet, and has shown evidence that it may have had microscopic life on it long ago.
What is Mars?
400
This is the innermost part of the sun where it's energy is generated.
What is the core?
400

The gravitational pull of the moon on Earth causes

Earth's tides to rise and fall

400

A short orbit comet is anything less than ____ years.

What is 200 years?

400
Earth is the only planet with this easily accessible.

What is liquid water?

500
This is the 8th planet from the Sun, and is made of mostly hyrdrogen, helium, and methane gas.
What is Neptune?
500
The sun's rays strike Earth most directly along here.
What is the equator?
500

Put in order from the strongest to the weakest gravitational pull of the following items: a marble, the Earth, Sun, Moon, a human. 

sun

Earth

Moon

human

marble

500

WHAT does NEO stand for? 

Near Earth Orbit?

500

List 4 reasons why Earth is the Goldilocks planet

terrestrial

liquid water

distance from sun

atmosphere

magnetic field

polar ice caps

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