Science · Stage 3
Investigate: Meet Your Major Organs
Peek inside your body, meet the organs doing the hard work — then learn to test fairly!
✦ Science📘 Stage 3 · S3⏱ ~10 min🧒 Ages 7–8★ Free to start
predict, then change one thing and keep the rest the same to make my test fair.
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Kavi's Body Investigation
Kavi puts on a lab coat 🥼 and taps its chest. "Did you know a busy team works inside you right now? My brain 🧠 is thinking, my heart ❤️ is pumping, my lungs 🫁 are breathing, and my stomach is squishing my lunch!" Kavi grins. "These are my major organs, and my bones keep them safe. Today we meet them all — then we learn the scientist's secret: how to run a fair test!"
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What your child will learn
1Meet your major organsAn organ is a body part with an important job. Tap each one to learn what it does.
2Which bone keeps it safe?Our bones are a strong shield for our organs. Tap the bone that protects each one!
3Fair test or unfair test?Scientists test carefully so the answer is trustworthy. Tap each card.
4Be the body scientistPredict first, then tap to check! A good scientist guesses, then tests it fairly. Tap Next test for more.
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A peek inside
Which organ pumps blood all around your body?
I feel my chest thump when I run — that is the organ that pumps blood.
Try this at home: Name the organ that thinks and controls your body.
Ready to play and learn?
Start the free interactive lesson, or print the handout for screen-free play.
Part of Science · Stage 3 · S3 on KAVI Academy — a secular, whole-child learning platform for ages 5–12.