Mercury/Venus
Earth/Mars
Jupiter/Saturn
Uranus/Neptune
All Planets
100

Why is Venus so bright in our night sky?

It has a cloud cover that reflects sunlight.

100
Which planet has an environment made up of plants, animals, and people?
Earth
100
What is the largest planet in our solar system?
Jupiter
100
What planet is furthest from the sun?
Neptune
100
How many planets are in our solar system (not counting dwarf planets)?
8
200

This planet is the closest to the Sun.

Mercury

200
What planet is the fourth from the sun?
Mars
200
What is the name of the largest moon in our solar system?
Ganymede
200

This planet spins on its side at 90 degrees.

Uranus

200
What instrument can you use to help you see the planets?
A telescope
300
Mercury is bitter cold at night. Why?
It has no atmosphere.
300
How many moons does Earth really have?
One
300

What Saturn moon is the only moon with an atmosphere. 

Titan

300

Which planet is the coldest?

Uranus

300
How long is a year on Pluto?
248 Earth years
400

Why is Venus hotter than Mercury despite Mercury being closer?

Venus has a thick atmosphere and volcanoes.

400

In 2004, the Mars Exploration Rover Mission sent what to examine Mar's surface?

Two robotic vehicles or Rovers

400

How many known moons does Saturn have

Over 200 known.

400

What is the name for the big storm on Neptune?

The Giant Dark Spot

400

Why is pluto not considered a planet anymore?

It's small size

500

Why is Venus called "Earth's Twin"

About the same size, density, and mass

500

Why is Mars red?

Its surface is red because of the iron on its surface turned to rust.

500

What is the giant red circle on Jupiter called and what is is made up of. (You must answer both parts of this question to earn the points)

The Great Red Spot and It is made up mostly of gases.

500

Why do these two planets appear blue?

It appears blue because of a gas in its atmosphere.

500

What is the name of the tallest volcano in the solar system? What planet is it located on?

Olympus Mons, Mars

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