Elizabeth Lachner – författare

It''s hard to imagine what the world was like before electricity was discovered. This exciting book examines the different kinds of electricity and how electric currents can provide energy in the machines we use every day. Included are graphic organizers and photographs which make this scientific resource a shockingly good read.

Magnets are all around us. They''re used in machines, toys, and tools. This fact-filled book delves into the scientific explanations for how magnets work, the different types of magnets, and even looks into magnetic fields. The valuable resource also includes helpful graphs and labeled diagrams.