Science Grade 2–4 Free

Jal Yaan Race

Drag objects into the bucket — will it float or sink?

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Learning outcomes

What you'll learn

Objects that float and sink
Density and buoyancy concept
Predicting properties of materials
Getting started

How to play

1
Open the game on any phone, tablet, or computer — no app download or login needed.
2
Tap or drag on screen to interact — all Numu games are fully touch-friendly.
3
Earn up to 3 stars per level. Get all 3 to unlock a harder challenge!
Grade levels

Best for Grade 2–4

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