Exploring the Solar System

What is the primary role of the sun in our solar system?

• It provides light to the planets.

• It is the center of gravity that holds the solar system together.

• It is the only source of water in the solar system.

• It is the largest planet in the solar system.

Which of the following is NOT a characteristic of terrestrial planets?

• They are small and dense.

• They are located closer to the sun.

• They are primarily gaseous.

• They are rocky.

What is unique about Saturn's density compared to water?

• It is made entirely of water.

• It is less dense than water and would float.

• It is denser than water.

• It has the same density as water.

What does the 'mean distance from the Sun' column in the solar system data chart represent?

• The distance of a planet from the Sun during the winter.

• The average distance of a planet from the Sun.

• The distance of a planet from the Sun during the summer.

• The exact distance of a planet from the Sun at all times.

How long does it take for Earth to complete one rotation on its axis?

• 24 hours

• 12 hours

• 23 hours, 56 minutes, and 4 seconds

• 365 days

What does a higher eccentricity value indicate about a planet's orbit?

• The planet is further from the Sun.

• The planet is closer to the Sun.

• The orbit is more stretched out and oval.

• The orbit is more circular.

Which planet is known to have an orbit that crosses Neptune's orbit?

• Mars

• Jupiter

• Pluto

• Venus

What is the direction of the planets' orbits in the solar system?

• They orbit in random directions.

• They orbit in the same direction.

• They orbit in opposite directions.

• They orbit vertically.

Which planet moves the fastest in its orbit around the Sun?

• Venus

• Mercury

• Mars

• Earth

What additional motion do planets exhibit besides orbiting the Sun?

• They move randomly.

• They move in a straight line.

• They rotate on their axis.

• They remain stationary.