Parts of the Sun
Inner Planets
Outer Planets
Small Solar System Objects
Planet's Atmosphere
100

The color of the corona.

What is white?

100

Mercury, ________, Earth, and Mars are considered to be the inner planets.

What is Venus?

100
_________, Saturn, Uranus, and Neptune are the outer planets.

What is Jupiter?

100

This is located between Mars and Jupiter.

What is the asteroid belt?

100

This planet is the only one that has an atmosphere rich in oxygen.

What is Earth?

200

The sun produces enormous amounts of energy in its core through this process.

What is nuclear fusion?

200

The inner planets are small, dense, and have this type of surface.

What is rocky?

200

The outer planets are often times nicknamed this.

What are gas giants?

200

The shape of a comet's orbit.

What is an ellipse?

200

This planet's atmosphere contains the Great Red Spot, a storm that is larger than earth.

What is Jupiter?

300

Since the sun does not have a solid surface, the gases of this area of the sun are thick enough to be visible. When you are looking at an image of the sun, you are seeing this area of the sun.

What is the photosphere?

300

This is the largest inner planet.

What is Earth?

300

This is the smallest outer planet.

What is Neptune?

300

Hundreds of small, irregular, rocky objects that orbit the sun.

What is an asteroid? 

300

This planet has virtually no atmosphere mainly due its small mass and weak gravity.

What is Mercury?

400

This area of the sun is so dense that it can take energy more than 100,000 years to move through it.

What is the radiation zone?

400

The speed at which inner planets move in outer space.

What is slowly?

400

This force keeps the gases from escaping any of the outer planets.

What is gravity?

400

The effect of a meteorite reaching the earth's surface.

What is a crater?

400

This planet's atmosphere was once referred to as the Great Dark Spot.

What is Neptune?

500

The middle layer of the sun's atmosphere, the chromosphere, contains a reddish glow that is visible at the start and end of this event.

What is a total eclipse?

500

All inner planets have a(n) __________ less than 13,000 km.

What is diameter?

500

This planet takes 29.5 earth years to revolve around the sun.

What is Saturn?

500

People most often refer to these as shooting stars, although they are NOT stars.

What are meteors? 

500
The percentage of carbon dioxide located in the atmosphere of Mars.

What is 95%?