Grade 5 Science Worksheets
Strap in, space explorer! Eight planets, one blazing star, and billions of miles of mystery are waiting.
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What your child will learn: Our Solar System Adventure
- The Sun is a star: a giant ball of burning gas that gives us light and heat.
- Order of planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. (Trick: 'My Very Excited Mother Just Served Us Nachos!')
- Inner planets (Mercury–Mars) are small and rocky; outer planets (Jupiter–Neptune) are giant balls of gas and ice.
- Earth orbits the Sun in one year, spins once a day, and the Moon orbits Earth in about a month.
Sample worksheet questions
1. What is the Sun?
Answer: A star, a giant ball of burning gas
2. How long does the Moon take to orbit Earth?
Answer: About a month
3. Which planets are the rocky 'inner planets'?
Answer: Mercury, Venus, Earth, and Mars
4. What trick sentence helps you remember the planet order?
Answer: 'My Very Excited Mother Just Served Us Nachos'
5. Which planet is third from the Sun?
Answer: Earth
These are generated fresh every time. Press New Worksheet in the app for a brand-new set, with a printable answer key.
Try it at home
🌌 Backyard Planet Walk: Place 8 objects across a room or yard to model planet spacing, and notice how far Neptune is from the Sun!
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