Structure of the Solar System

How are dwarf planets different from the 'Elite 8' planets?

• Dwarf planets orbit the Sun, planets do not.

• Dwarf planets have more mass than planets.

• Dwarf planets have not cleared the neighborhood around their orbit, planets have.

What is the length of Earth's period of revolution?

• 24 hours

• 30 - 31 days

• 365.25 days

• 6 months

An astronomical unit is the average distance between the Sun and which planet?

• Venus

• Earth

• Jupiter

• Mars

Tags

NGSS.MS-ESS1-3

Planets' orbit the Sun in what shape?

• A perfect circle.

• An ellipse.

• An eclipse.

• A parallelogram.

Tags

NGSS.MS-ESS1-2

Which of Kepler's Laws described the shape of a planet's orbit?

• First Law

• Second Law

• Third Law

Name the planets in order from the one closet to the Sun

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury

• Mercury, Earth, Mars, Venus, Saturn, Jupiter, Uranus, Neptune

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto

What are the rings of Saturn made of?

• Rocks and Dust

• Rock, Frozen gases, Ice crystals, and water

• Ice Crystals

• Stars

A small, solid, rocky body that orbits the Sun. 

• Asteroid

• Comet

• Meteoroid

• Meteor

Tags

NGSS.MS-ESS1-3

A small, icy body that orbits the Sun. Is made of a main body and a tail.

• Asteroid

• Comet

• Meteor

• Meteoroid

What are the terrestrial planets?

• Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars

• Mercury, Earth, Mars, Neptune

• Jupiter, Saturn, Earth, Neptune