Space · For ages 7–11
The Solar System for kids, explained simply
The Solar System is the Sun and everything that orbits around it — eight planets, their moons, and many smaller objects like asteroids and comets. The Sun is a star, and its gravity holds everything in place, pulling the planets along their paths in giant loops called orbits.
On Whizbee · carousel slide 1
.webp)
The big ideas
The Sun is a star
Our Sun isn’t a special kind of object — it’s a star, like the ones you see at night, just much closer. It’s so big that everything else circles around it.
Eight planets, two types
There are eight planets. The four nearest the Sun are small and rocky (Mercury, Venus, Earth, Mars). The four farther out are huge balls of gas and ice (Jupiter, Saturn, Uranus, Neptune).
Gravity keeps the loops going
Gravity is an invisible pull. The Sun’s gravity keeps each planet looping around it instead of flying off into space. That loop is called an orbit.
A quick quiz
1. What kind of object is the Sun?
Choices: A planet · A star · A moon
Answer: A star. The Sun is a star — the same kind of object as the stars you see at night, just much closer to us.
2. How many planets are in our Solar System?
Choices: Eight · Twelve · Five
Answer: Eight. There are eight planets, from Mercury closest to the Sun out to Neptune.
3. What keeps the planets orbiting the Sun?
Choices: Wind · Gravity · Magnets
Answer: Gravity. The Sun’s gravity pulls on the planets, keeping them looping around it instead of drifting away.
For parents: helping your child think about the solar system
Space is perfect for practising scale and reasoning, two things that stretch a 7–11-year-old’s mind. Resist the urge to list all eight planets in order — that’s memorising, not thinking. Instead ask “why” questions: “Why do you think the planets don’t just float away?” The answer (gravity) becomes far stickier when they’ve wondered about it first. Use your own body as a model: you’re the Sun, your child walks in a circle around you — that’s an orbit. Then go bigger: if Earth were the size of a pea, the Sun would be a beach ball a hundred steps away. Scale like that genuinely surprises kids and builds intuition. The deeper skill here is “comparing and grouping” — rocky planets versus gas giants. Sorting things into groups by their properties is real scientific thinking. Finish by having them teach you one thing they didn’t know before. Explaining it back is how an idea moves from “heard it” to “understand it.”
Frequently asked questions
What is the Solar System for kids?
It’s the Sun and everything that travels around it — the eight planets, their moons, and smaller objects like asteroids and comets, all held in place by the Sun’s gravity.
Is the Sun a planet or a star?
The Sun is a star. It’s the only star in our Solar System, and its gravity keeps all the planets orbiting around it.
Why is Pluto not a planet anymore?
In 2006 scientists agreed on a clearer definition of “planet.” Pluto didn’t fit one part of it, so it was re-grouped as a “dwarf planet” — a great example of how science updates its ideas with better information.
A tutor that asks questions back
Whizbee is a safe AI tutor for ages 7–11 that turns curiosity into real understanding — finite missions, no open chat, and proof of thinking for parents. No scores, no streaks, no ads.
Join the Founder Year