Structure of the Solar System

What is an asteroid?

• A small rocky object that orbits the Sun between Mars and Jupiter

• A small icy object that orbits the Sun in an oval-shaped orbit

• A celestial body that orbits the Sun that clears the neighborhood around its path

• A celestial body that orbits a planet or dwarf planet

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 period of revolution?

• How long it takes a moon to orbit the Sun.

• How long it takes a moon to rotate once.

• How long it is 'day' on a planet.

• How long it takes a planet to revolve around the Sun once.

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

What is the period of rotation?

• The amount of time it takes the Sun to rotate around the galaxy.

• The amount of time it takes a celestial body to rotate around its axis once.

• The amount of time it takes to get to Mars from Earth.

• The amount of time it takes to the Moon to orbit the Earth.

How long is Earth's period of rotation?

• 60 minutes

• 365.25 days

• 30 - 31 days

• 24 hours

True or false: The Sun is the only star in our solar system.

• True

• False

Planets' orbit the Sun in what shape?

• A perfect circle.

• An ellipse.

• An eclipse.

• A parallelogram.

Tags

NGSS.MS-PS2-4

True or false: Earth's distance from the Sun is responsible for the seasons.

• True

• False

Tags

NGSS.MS-ESS1-1