Building blocks

Big Manny explains the electronic structure of an atom

Dr George Dransfield explains how refraction works and how to draw the refraction of a wave.

Dr George Dransfield explains how reflection works and how to draw the reflection of a wave.

This video explains density with some practical examples.

How changes in a material's temperature or state of matter are caused by changes to internal energy.

A video where Jonny Nelson introduces an animated explanation of latent heat.

This video shows Greg Foot explains the main differences between light and electron microscopes.

A video explaining the process of mitosis in growth and asexual reproduction.

A video explaining the role of meiotic cell division.

This video shows where stem cells come from and how they are used in humans and plants.

A video demonstrating waves in a fluid.

A science video with Dr Maggie Aderin-Pocock and Dr Alex Lathbridge about how to investigate osmosis

A video showing how to investigate infrared radiation with Maggie Aderin-Pocock and Alex Lathbridge

Gab Astorga explains how to calculate cell size and scale.

Gab Astorga explains the similarities and differences between plant and animal cells.

Gab Astorga explains how chromosomes and DNA shape the characteristics of living things.

Gab Astorga explains the factors that affect the rate of diffusion.

Gab Astorga explains how active transport helps living things get the nutrients they need.