Did You Know? Science Facts for Students

Water boils at 100 °C at sea level and freezes at 0 °C.

Plants make their own food from sunlight, water and carbon dioxide, in a process called photosynthesis.

Honeybees perform a special dance to tell the rest of the hive where flowers are and how far away.

White light is a mix of many colours, and a glass prism can split it into the colours of the rainbow.

Sound cannot travel through a vacuum, so space is completely silent.

We see lightning before we hear thunder because light travels about 900,000 times faster than sound.

Diamond and the graphite in pencils are made of the same element: carbon.

Gold does not rust, because it hardly reacts with oxygen or water.

Water is one of the few substances found naturally on Earth as a solid, a liquid and a gas.

A magnet has a north and a south pole. Like poles repel each other, and opposite poles attract.

Hydrogen is the most abundant element in the universe.

If you stretched out the DNA in a single human cell, it would be about two metres long.