Unit 1: Electricity Unit 2: Electromagnetism and magnetism Unit 3: Energy Unit 4: Forces and movement Unit 5: Inventions Unit 6: Solids, liquids and gases Unit 7: Space Unit 8: Think like a scientist Unit 9: Waves Unit 10: Working scientifically
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تبصرے
10 تبصرے
A simple, step-by-step, visual guide showing you how to make a speaker from wire, a cup and a magnet.
A simple, step-by-step, visual guide showing you how to play a record with a £5 note.
We can hear sounds because our ears turn sound vibrations from the air, into signals that are sent to our brain.
Learn about the speed of sound in air and other states of matter, how an echo is made, and how we can calculate the speed of sound from echoes.
Identify the features of a sound wave and learn about pitch, frequency, amplitude and loudness.
Learn how filters affect the light that can shine through them, and how light is absorbed and reflected by different colours of surfaces.
A photographer explains how he uses his knowledge of light and colour in his profession.
White light is made up of many different colours, each with a different frequency. It can be split up to produce a spectrum containing all the different colours of visible light.
Learn about the features of the human eye, and how eyes and cameras both use lenses to focus light.and form images.
There are seven types of electromagnetic (EM) waves, which make up the electromagnetic spectrum. Different types of electromagnetic wave have different uses and dangers.