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Floating Egg

Build it⏱ 5 minutesAges 4-10

Salt makes water heavier, so it pushes the egg up. That is why swimming in the ocean is easier.

Let's do it ↓

Grab this

  • 1 raw egg
  • A tall glass of water
  • Salt
  • A spoon
Supplies for Floating Egg

Do it in 3 steps

Floating Egg step 1
1

Gently put the egg in plain water. It sinks.

Floating Egg step 2
2

Take it out and stir in lots of salt.

3

Put the egg back in. It floats.

Tinker Ted with a stopwatchDO IT WITH ME

Your turn! Beat the clock.

Press start, then put the screen down and build. We'll cheer when time is up.

5:00

⭐ Bonus round

Can you make the egg float in the middle?

🧠 Why it works

Salt makes water heavier, so it pushes the egg up. That is why swimming in the ocean is easier.

A grown up should be nearby for every challenge. Clean up together when you are done.

Did you do it?

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