When colored sections spin quickly, your eyes can blend the colors together and create a different visual effect.

A shadow can change its size and shape when the position of the light source or object changes.

Rubbing a balloon against certain materials can give it an electric charge, allowing it to attract lightweight objects or stick to surfaces.

Whether a fruit or vegetable floats depends partly on its density compared with water.

Apples contain several seeds arranged inside their central core.

In a simple water experiment, soap changes the surface tension of the water and can make floating pepper move away from the soap.

Wax can melt when heated and become solid again when it cools down.

A potato can act as part of a simple electrochemical cell when paired with suitable metals.

An orange with its peel can float because the peel contains tiny air spaces that help make the whole fruit less dense than water.

The amount of water inside a glass can change the way the glass sounds when tapped.

By blocking light in different ways, your hands can create shadow shapes that look like animals.

The tiny structures on a CD can diffract light and create rainbow-like colors.