Solar System Worksheet for Ages 8–11 — Science & Astronomy Activities (Grades 3–5)

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Instructions

Read each section carefully and complete the activities to test your knowledge of our solar system. Good luck, space explorer!

Part 1: Match the Planet

Match the planet on the left with its correct description on the right. Write the correct letter in the blank space.

  1. ____ 1. Mars
  2. ____ 2. Jupiter
  3. ____ 3. Earth
  4. ____ 4. Saturn
  5. ____ 5. Neptune
  6. ____ 6. Venus
  7. ____ 7. Mercury
  8. ____ 8. Uranus
  • A. The windiest planet and the farthest from the Sun.
  • B. Famous for its beautiful rings made of ice and rock.
  • C. The smallest planet and the closest to the Sun.
  • D. Our home, and the only planet known to support life.
  • E. The "Red Planet," known for its iron-rich soil.
  • F. The largest planet in our solar system.
  • G. A blue "ice giant" that spins on its side.
  • H. The hottest planet, with a thick, toxic atmosphere.

Part 2: Fill in the Blanks

Use the words in the word bank to complete the sentences below.

Word Bank:     orbit     asteroids     Sun     star     comets

Our solar system is centered around the _______________, which is a giant _______________ that gives us heat and light. The planets all travel in a fixed path, called an _______________, around it. Between Mars and Jupiter, there is a belt of rocky objects known as _______________. Icy objects with long tails that also travel through our solar system are called _______________.

Part 3: Word Scramble

Unscramble the letters to find words related to space.

  1. N O M O   ->   ____________________
  2. L A X Y G A   ->   ____________________
  3. E M T O C   ->   ____________________
  4. T E N P L A   ->   ____________________
  5. D A T S O R E I   ->   ____________________

Part 4: True or False?

Read each statement and circle whether it is True or False.

  1. The Sun is a planet. True / False
  2. Jupiter is the largest planet in our solar system. True / False
  3. Earth is the fifth planet from the Sun. True / False
  4. There are ten planets in our solar system. True / False
  5. Mars is known as the "Red Planet". True / False

Part 5: Order the Planets

List the eight planets in order, starting with the one closest to the Sun.

  1. ____________________
  2. ____________________
  3. ____________________
  4. ____________________
  5. ____________________
  6. ____________________
  7. ____________________
  8. ____________________



Answer Key

Part 1: Match the Planet

  1. E. Mars
  2. F. Jupiter
  3. D. Earth
  4. B. Saturn
  5. A. Neptune
  6. H. Venus
  7. C. Mercury
  8. G. Uranus

Part 2: Fill in the Blanks

Our solar system is centered around the Sun, which is a giant star that gives us heat and light. The planets all travel in a fixed path, called an orbit, around it. Between Mars and Jupiter, there is a belt of rocky objects known as asteroids. Icy objects with long tails that also travel through our solar system are called comets.

Part 3: Word Scramble

  1. MOON
  2. GALAXY
  3. COMET
  4. PLANET
  5. ASTEROID

Part 4: True or False?

  1. False (The Sun is a star.)
  2. True
  3. False (Earth is the third planet.)
  4. False (There are eight planets.)
  5. True

Part 5: Order the Planets

  1. Mercury
  2. Venus
  3. Earth
  4. Mars
  5. Jupiter
  6. Saturn
  7. Uranus
  8. Neptune
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