S1 T2 Unit 11 Astronomy

Gas Giants are ____.

• inner planets, rocky, and small
• inner planets, gaseous, and large
• outer planets, rocky, and small
• outer planets, gaseous, and large

One full orbit is called a...

• Axis

• Rotation

• Inertia

• Revolution

The Earth moves in an ____________ orbit around the Sun

• Circular

• Elliptical

• Round

• Square

The second planet of the Solar System is...

• Venus
• Mercury
• Mars

The smallest planet of the Solar System is...

• Mercury
• Venus
• Mars

Which list shows four planets of the solar system in order from smallest to largest?

• Jupiter, Saturn, Uranus, Neptune
• Neptune, Uranus, Saturn, Jupiter
• Saturn, Jupiter, Neptune, Uranus
• Uranus, Neptune, Saturn, Jupiter

What is at the middle of a Geocentric system?

• Sun

• Neptune

• Earth

• The Universe

What is at the middle of a Heliocentric system?

• Mars

• Moon

• Sun

• Earth

Which of the following is a rocky planet?

• Mercury

• Jupiter

• Pluto

• Neptune

The planet closest to the sun