Solar System

Outer planets are farther to the sun than inner planets are. Outer planets have a longer orbit around the sun. The table shows orbit data for four planets.

Which planets from the table are most likely outer planets?

• Planet 1 and Planet 2

• Planet 1 and Planet 4

• Planet 3 and Planet 2

• Planet 3 and Planet 4

The diagram shows the first five planets in the solar system with Earth labeled. Which planet is represented by the letter P?

• Mercury

• Venus

• Jupiter

• Neptune

Which planet orbits between Venus and Mars?

• Jupiter

• Earth

• Saturn

• Neptune

The table shows some facts about Earth and Mars.

What can be concluded from the data in the table?

• Mars is closer to the sun.

• Earth has more moons.

• Mars takes shorter to orbit the sun.

• Earth's climate is warmer.

If Saturn were to move closer to the Sun, what effect would most likely occur?

• Saturn's climate would be colder.

• Saturn would become a frozen ball of ice.

• Saturn's climate would be hotter.

• Saturn would lose all its moons.

Mars is also known as the ________ because of its color.

• Red Planet

• Blue Planet

• Yellow Planet

• Purple Planet

Which sequence shows the correct order of the outer planets?

• Mars, Jupiter, Saturn, Neptune

• Jupiter, Saturn, Uranus, Neptune

• Mars, Jupiter, Earth, Neptune

• Venus, Jupiter, Saturn, Uranus

Examine the solar system model with planets labeled A-H.

• The surface of planets A, E, and H are rocky.

• The surface of planets C, F, and H are rocky.

• The surface of planets F, G, and H are rocky.

• The surface of planets A, B, and D are rocky.

What are satellites?

• objects that travel through space to collect data on the planets of our solar system

• objects that destroy other planets

• objects that are made of rock and ice

• objects that travel on Earth

The table shows the average distance of four planets from the Sun and the appropriate time it takes those planets to orbit the Sun.

Which statement is best supported by the data in this table?

• Mars takes less time to orbit the sun than Earth does.

• Venus takes less time to orbit the sun than Mercury does.

• Mercury takes less time to orbit the sun than Earth does.

• Mercury takes more time to orbit the sun than Earth does.