Dissolving

When a white solid dissolves, it makes a colourless solution close solution A mixture made when a solute (usually a solid) dissolves into a solvent (a liquid). Sea water is a solution of salt ...

Home

Use BBC Bitesize to help with your homework, revision and learning from KS1 to GCSE. Find free videos, step-by-step guides, activities and quizzes.

Water treatment

GCSE; WJEC; Water purification Water treatment. Water from rivers, lakes and the sea has to be treated to make it safe to use and drink. Different methods are used to do this, such as ...

Exploring materials

A material is something that an object is made from, such as metal, plastic or wool. Materials all have different properties. Properties help us to describe the materials. Some are soft, some are ...

Rock types

Marble. Chalk. The Giant's Causeway. All made of rock but all different. Learn all about the three different types of rock found on Earth with BBC Bitesize.

Explore rivers

Bitesize Primary games. game Bitesize Primary games Play fun and educational primary games in science, maths, English, history, geography, art, computing and modern languages. Back to top

KS3

Key Stage 3 is the first three years of secondary school education in England and Wales, for pupils aged 11 to 14.

Graphs and charts

Drawing and interpreting graphs and charts is a skill used in many subjects. Learn how to do this in science with BBC Bitesize. For students between the ages of 11 and 14.

What is a vertebrate?

This is Blob. Blob can't do much, like lift his own head. He doesn't even have a head. If Blob had been born with a spine, or backbone, he would have been a vertebrate. If we give Blob some legs ...

Plant transport tissues

The xylem close xylem vessels Narrow, hollow, dead tubes with lignin, responsible for the transport of water and minerals in plants. transports water and minerals from the roots up the plant stem ...