Floating and sinking are often the subject of study in science lessons. An object that is afloat is an object in equilibrium...
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...
Adding fresh water dilutes the salt water and reduces the amount the water lifts the egg.
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...
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