Dimensions
256 x 195 x 11mm
This title explains how sound waves, light waves and electromagnetic waves move and how their frequency and wavelength can be measured. Refraction and reflection are also demonstrated with clear examples.
The book explains how our eyes and ears detect some of these waves and how we have discovered those waves we can't see. The book ends with a discussion of how people are learning to use electromagnetic waves to discover more about the universe.
Each title includes fascinating facts, great experiments from the past and the work of groundbreaking scientists.
Ages: 11+
