TernQuest
Math game · 2nd grade – 5th grade

🤿 Buoyancy Bay

Load cargo, inflate the pod and pick the liquid — make it float high, hover perfectly, or dive to the trench!

Practises: Density & buoyancy · Part of the Family Pass · New
🔒 This one is part of the Family Pass

Every game, 99 narrated stories, Pip's hints and parent reports for up to 4 children — $15.99/month or $159.90/year. Free games are marked on the games page.

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What does Buoyancy Bay teach?

Buoyancy Bay is a math game for 2nd grade – 5th grade that practises density & buoyancy. Like every TernQuest game it is tied to a skill on the curriculum map (California Common Core, PK–5), and Pip the tern gives hints, never answers.

Is it free?

It is part of the Family Pass. The free tier includes 50+ games and all 99 narrated stories for one child; the Family Pass unlocks everything for up to 4 children.