If I was to pretend my father didn't exist and I didn't have anything to remember him by, then it wouldn't be healthy.

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

Bronze is a metal alloy made from copper and tin. Copper makes up the larger amount, usually between 80 to 95%.

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.

Copper is a good conductor of electricity and is often used for making wires.