Let's solve each question based on the image and general knowledge about our solar system.
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1. There are _________ planets in our solar system.
✔ Answer: 8
👉 There are 8 planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
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2. The ________ is a star and it is the center of solar system.
✔ Answer: Sun
👉 The Sun is a star and the central body of our solar system.
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3. The inner planets all have a _________ surface.
✔ Answer: rocky
👉 The inner planets (Mercury, Venus, Earth, Mars) are terrestrial planets with solid, rocky surfaces.
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4. __________ is the hottest planet.
✔ Answer: Venus
👉 Despite being farther from the Sun than Mercury, Venus is the hottest due to its thick atmosphere trapping heat (greenhouse effect).
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5. Venus is made up mainly of __________ can cause “acid rain”
✔ Answer: carbon dioxide
👉 Venus’s atmosphere is mostly carbon dioxide (about 96.5%), which leads to extreme greenhouse warming and sulfuric acid rain.
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6. Olympic Mons in ________ is the largest volcano in solar system.
✔ Answer: Mars
👉 Olympus Mons is located on Mars and is the tallest volcano in the solar system.
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7. __________ is the closest planet to the sun.
✔ Answer: Mercury
👉 Mercury is the closest planet to the Sun.
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8. It’s the third planet. There are lives in the __________.
✔ Answer: Earth
👉 Earth is the third planet from the Sun and the only known planet with life.
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9. __________ is also called the morning star or evening star.
✔ Answer: Venus
👉 Venus is often visible just before sunrise (morning star) or after sunset (evening star), and it's very bright.
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10. __________ is the red planet that has high iron content.
✔ Answer: Mars
👉 Mars is called the "Red Planet" because its surface contains a lot of iron oxide (rust), giving it a reddish appearance.
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✔ Final Answers:
1. 8
2. Sun
3. rocky
4. Venus
5. carbon dioxide
6. Mars
7. Mercury
8. Earth
9. Venus
10. Mars
These answers are based on scientific facts about the solar system and match the context of the worksheet.
Parent Tip: Review the logic above to help your child master the concept of planets worksheet.
