Our Solar System Review

Which law of planetary motion does this diagram demonstrate?

• Kepler’s second law

• Newton’s law of universal gravitation

• Kepler’s first law

• Kepler’s third law

Planets have elliptical orbits with the _______ at (near) one focus point.

• Moon

• Planet

• Sun

• Asteroid Belt

The farther away a planet is from the Sun, slower its orbital speed.

• True

• False

Tags

NGSS.MS-ESS1-2

IN this list, which planet has an orbit closest to being a circle is _____.

• Pluto

• Neptune

• Mercury

• Earth

The four inner planets of our solar system are

• gas giant planets.

• interplanetary asteroids.

• terrestrial planets.

• meteorites.

The closest planet to the Sun is

• Mars.

• Earth.

• Mercury.

• Venus.

The atmosphere of Venus is mostly

• sodium.

• oxygen.

• carbon dioxide and nitrogen.

• nitrogen and oxygen.

Mars is referred to as the red planet as a result of its high iron content and reddish appearance.

• True

• False

Jupiter spins once on its axis in a little less than

• 5 hours.

• 12 hours.

• 10 hours.

• 2 hours.

What is Jupiter’s Great Red Spot?

• an atmospheric storm

• a surface ocean

• a large moon

• an ice cap