Let’s go step by step to answer each question about the planets in our Solar System. We’ll use what we know from science class and common facts about the planets.
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1. Which planet is the smallest in our Solar System?
→ Mercury is the smallest planet. (Pluto used to be considered, but it’s now a dwarf planet.)
2. Which planet is the largest in our Solar System?
→ Jupiter is the biggest — it’s so big that more than 1,300 Earths could fit inside it!
3. Which planet orbits closest to the Sun?
→ Mercury is closest to the Sun.
4. Which planet is the furthest from the Sun?
→ Neptune is the farthest planet from the Sun. (Again, Pluto is farther, but not counted as a planet anymore.)
5. Which planet is about the same size as Earth?
→ Venus is very close in size to Earth — sometimes called Earth’s “twin.”
6. Which planet has only one moon?
→ Earth has exactly one moon. (Some might think Mars, but Mars has two small moons: Phobos and Deimos.)
Wait — let’s double-check:
- Earth → 1 moon
✔
- Mars → 2 moons
✘
So yes, Earth is correct.
But wait — actually,
Mars has 2,
Earth has 1,
Venus and Mercury have 0,
Jupiter and Saturn have many, etc. So yes — Earth is the only planet with exactly one moon.
Actually — hold on! Let me check again:
Is there any other planet with just one moon?
→ No. Only Earth has exactly one natural satellite (moon). All others have zero or more than one.
✔ Correct: Earth
7. Which two planets have the most moons?
→ Jupiter and Saturn both have over 80 confirmed moons each. They’re tied for having the most.
8. Which two planets have no moons at all?
→ Mercury and Venus have no moons.
9. Which planet has the most visible rings?
→ Saturn has the most famous and visible ring system.
10. Which other planets have rings?
→ Jupiter, Uranus, and Neptune also have rings — but they’re faint and hard to see compared to Saturn’s.
11. Which planets have a rocky surface?
→ The inner four planets: Mercury, Venus, Earth, and Mars. These are called “terrestrial” or “rocky” planets.
12. Which planets are made of gas?
→ The outer four: Jupiter, Saturn, Uranus, and Neptune. These are called “gas giants” or “ice giants.” (Uranus and Neptune are sometimes called ice giants because they have more icy materials, but still mostly gas.)
13. Which planets are visible without a telescope?
→ You can see Mercury, Venus, Mars, Jupiter, and Saturn with your naked eye if you know where to look. (Sometimes Uranus is barely visible under perfect conditions, but usually we say the first five.)
Wait — let’s confirm:
Historically, ancient people knew of 5 planets visible without telescopes:
Mercury, Venus, Mars, Jupiter, Saturn.
✔
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Now let’s write down all the answers clearly:
Final Answer:
1. Mercury
2. Jupiter
3. Mercury
4. Neptune
5. Venus
6. Earth
7. Jupiter and Saturn
8. Mercury and Venus
9. Saturn
10. Jupiter, Uranus, Neptune
11. Mercury, Venus, Earth, Mars
12. Jupiter, Saturn, Uranus, Neptune
13. Mercury, Venus, Mars, Jupiter, Saturn
Parent Tip: Review the logic above to help your child master the concept of printable solar system worksheet.
