Scale of the Solar System -formative

1. What is the correct order of the planets?

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

2. What are some useful tools for measuring things in space? (check all that apply)

• telescopes
• radar
• spacecraft (like spaceships and the International Space Station)
• the color of a star
• rulers

3. Which of these planets is terrestrial?

• Saturn
• Jupiter
• Uranus
• Mars

4. Which of these planets is the largest in diameter?

• Jupiter
• Neptune
• Earth
• Venus

5. How much smaller (in diameter) is the Earth than the Sun?

• 286 times smaller
• 109 times smaller
• a million times smaller
• 32 times smaller

6. Which of these planets has the longest period of revolution around the sun?

• Jupiter
• Mercury
• Earth
• Uranus

7. Choose the correct answer that places objects from smallest to largest.

• Star, Planet, Solar System, Universe, Galaxy, Moon
• Planet, Solar System, Star, Galaxy, Universe, Moon
• Planet, Star, Solar System, Universe, Moon, Galaxy
• Moon, Planet, Star, Solar System, Galaxy, Universe

8. The Earth's diameter is about 4 times larger than the Moon's diameter. If you're making a scale model with the Moon being 2 cm, how large should the Earth be?

• 10 cm
• 2 cm
• 16 cm
• 8 cm