The Solar System

Earth people can learn about Solar System using …

• The space shuttle
• Airplane
• Rockets
• Starship

The Solar System contain … planets

• 7
• 8
• 9
• 10

The Sun is a …

• Planet
• Asteroid
• Star
• Comet

The path used by planets to move around the Sun called ..

• Galaxy
• Star
• Belt
• Orbit

The path used by planets to move around the Sun form a … path

• Circle
• Eliptical
• Square
• Triangle

Beside a planet, these are other objects that found in solar system, except …

• Comets
• Asteroid
• Crust
• Meteorids

Planets orbit the Sun in an ….. direction.

• Clockwise
• Anti-Clockwise
• Mix
• Square

The Closest planet to the Sun is …

• Mars
• Jupiter
• Mercury
• Earth

What makes the planet stay at its orbit ?

• Heat

• Gravity

• Weight

• Volume

The size of a planet's orbit and its period of revolution around the Sun increase with increasing …..

• Diameter
• Volume
• Moon
• Distance from the Sun