Inner Planets
Outer Planets
Phases of the Moon
Astronauts
Fun Facts
100

The first planet from the Sun

What is Mercury?

100

The sixth planet from the Sun

What is Saturn?

100

When the Moon gets bigger

What is waxing?

100
The first man on the Moon

Who is Neil Armstrong?

100

The Milky Way

What is the galaxy we live in called?

200

The hottest planet in the solar system

What is Venus?

200

Jupiter's long-lasting storm

What is a "Great Red Spot"?

200

When the Moon gets smaller

What is waning?

200

First teacher to go to space

Who is Christa McAuliffe?

200

A revolution around the Sun

What is an orbit?

300

The planet made up mostly of water

What is Earth?

300
The third largest planet in the solar system, and takes 165 years to orbit the sun

What is Neptune?

300

What is a crescent moon?

300
Yuri Gagarin

Who was the first man to go to space?

300
The reason we have seasons on Earth

What is the Earth's tilt?

400

The planet with two small moons

What is Mars?

400

The planet surrounded by rings of ice

What is Saturn?

400

What is a gibbous moon?

400

The first American woman to go to space

Who is Sally Ride?

400

A man who invented a powerful telescope

Who is Galileo Galilei?

500

Takes 262 days to orbit the Sun

What is Venus?

500

Has 27 moons and takes 84 years to orbit the Sun

What is Uranus?

500

New moon

When is none of the Moon visible?

500

City where many astronauts launch from

What is Cape Canaveral Florida?

500

Three things (other than the planets and moons) that orbit the sun

What are asteroids, meteoroids and comets?