Solar System

Front

Venus and Mars are the two planets closest to Earth. Which of these statements about Venus and Mars is true? Their orbits are the same size., They both have a large solid core., Their surfaces are covered with water., They have the same number of moons.

Back

They both have a large solid core.

Front

What is the main difference between the orbits of the inner and outer planets?

Back

The outer planets’ orbits are longer than the inner planets’ orbits.

Front

The diagram shows a planet and the sun.
What does the arrow on the diagram show?

Back

how the planet rotates on its axis

Front

Why is the sun considered the center of the solar system?

Back

Everything in the solar system revolves around the sun.

Front

Saturn, Uranus, and Neptune are known as Jovian planets because they are similar to Jupiter. Which of these characteristics do these three planets have in common with Jupiter? a large solid core, well-defined rings, a thick gaseous atmosphere, a density greater than Earth's density

Back

a thick gaseous atmosphere

Front

Which of these characteristics distinguishes the outer planets from the inner planets? Options: The outer planets have many moons, The outer planets orbit in a different direction, The outer planets have higher densities, The outer planets have smaller diameters

Back

The outer planets have many moons

Front

Which planet in the solar system most likely has a mass more than 300 times greater than the mass of Earth? Options: Jupiter, Mercury, Mars, Venus

Back

Jupiter

Front

Which inner planet has the most moons? Options: Earth, Mars, Mercury, Venus

Back

Mars

Front

What does Mercury have in common with all the inner planets?

Back

It has a high density.

Front

James divided the planets into two groups. His two groups of planets are shown in the table. Which of the following would be the best label for Group 2? Options: Planets with Long Orbits, Planets that Orbit the Sun, Planets with Slow Rotations, Planets that Have Moons

Back

Planets with Long Orbits