A cane before falling.

While using energy from sunlight, plants turn carbon dioxide into food in a process called photosynthesis.

Alkali metals such as sodium, potassium, rubidium, caesium and francium are extremely reactive elements, just putting them in water can result in an explosion! They are carefully stored in oil to prevent this happening.

At room temperature, mercury is the only metal that is in liquid form.

The chemical symbol used for silver is Ag, this comes from the Latin word for silver, argentum.