As you put your finger in the water, the water tries to push up and float your finger. Because of this the finger pushes down...

At home 5-11 11-14

Adding fresh water dilutes the salt water and reduces the amount the water lifts the egg.

At home 5-11 11-14

The nuts float up to the top and fall back down again, like in a lava lamp. Gas bubbles grow on the peanuts, making them float...

At home 5-11 11-14