Sound, Light and Radiation explains how sound waves, light waves and electromagnetic waves move. Find out how we can measure their frequency and wavelength. Discover how our eyes and ears detect so…
Energy explains in simple terms what energy is and takes a closer look at various type of energy, including electrical, chemical, potential and kinetic energy. Find out how we can measure energy an…
Electricity and Magnetism explains what electricity, magnetism and electromagnetism are and how they work. Find out how electricity is measured, and take a closer look at everyday examples of elect…
Forces and Motion explains how forces such as electricity, magnetism, gravity, friction, air resistance and upthrust act and balance each other. Find out how motion can be measured. Discover how fo…