Science · Stage 3
Investigate: What Does Each Plant Part Do?
Be a scientist! Predict what each plant part does, then run a fair test — change one thing, keep the rest the same.
✦ 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.
📖
Kavi's Fair Plant Test
Kavi has two plants that look exactly the same 🪴🪴. "I want to find out what the leaves do," hoots Kavi. "But I mustn't change lots of things at once! A scientist runs a fair test: predict first, then change ONE thing and keep everything else the same. Let's meet the plant's parts, then test them fairly!"
🎓
What your child will learn
1What each plant part doesBefore we test, let's plan. Every part of a plant has its own job. Tap each part to learn it.
2Predict the part from its cluesKavi observed some clues. Predict which part it is, then tap to check — and see why! Tap Next test for more.
3Fair test or not fair?To find out what one part does, we run a fair test. Tap each card to see the rule.
4Is this test fair?Kavi set up some plant tests. For each one, decide: is it a fair test (change one thing, keep the rest the same) or not fair?
🔍
A peek inside
Kavi wants to find out if a plant needs its leaves. How should Kavi set up a fair test?
Take two matching plants. Cover the leaves on ONE and keep everything else the same — same pot, soil, water and light.
Try this at home: Which plant part takes in water from the soil?
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.