Solar System

1. Which of the following is the best description of the sun?

• a ball of fire that moves quickly across the Earth’s sky

• an orange planet that is very large

• a star composed of hot gases that provides light and heat energy

• a moon that is an orange color

2. What is the imaginary path Earth and other planets take around the sun?

• shine

• float

• cycle

• orbit

3. What is the correct order of the planets starting from the sun?

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Venus, Earth, Mercury, Mars, Neptune, Uranus, Saturn, Jupiter

• Earth, Saturn, Venus, Mars, Jupiter, Neptune, Mercury, Uranus

• Jupiter, Saturn, Earth, Venus, Mars, Mercury, Neptune, Uranus

4. Look at the picture of Earth and the sun. Which sentence describes what this picture shows?

• Earth revolves around the sun.

• Earth is close to the sun.

• Earth follows the moon.

• Earth is attached to the sun.

5. Which statement is true about the inner planets?

• They are all smaller than the outer planets.

• They are all larger than the sun.

• They are all larger than the outer planets.

• They are all the same size.

6. Which list orders the planets from smallest to largest?

• Mars, Jupiter, Mercury

• Mercury, Earth, Jupiter

• Saturn, Venus, Mars

• Earth, Venus, Mercury

7. Which statement is true about the relationship of the Sun, Earth, and moon?

• The sun is the center of the solar system. The Earth moves around the sun, and the moon moves around the Earth.

• The sun is the center of the solar system, but the Earth and moon does not move around the sun.

• The Earth is the center of the solar system, and the sun moves around the Earth.

• The moon is the center of the solar system, and both the Earth and sun moves around the moon together.

8. The Earth spins on its __________ every 24 hours.

• moon

• sun

• axis

• model

9. Identify which of these are the correct planets in our solar system.

• Venus, Comet, Earth, Mars, and the moon

• Jupiter, Earth, Saturn, the sun, and Uranus

• Earth, Mars, Saturn, Triton, and Venus

• Earth, Jupiter, Mars, Mercury, Neptune, Saturn, Uranus, and Venus

10. Which planet is closest to the sun?

• Earth

• Mercury

• Venus

• Saturn