Discovery Science: Physics and Technology – Physics – Electricity

Earth Science: Physics and Technology – Electromagnetism Gravity-the fact that all objects attract each other in proportion to their mass—is familiar to everyone. In fact, life without it can hardly be imagined. Electricity and magnetism are different; even through the early 19th-century phenomena such as naturally magnetic minerals were scarcely known and not understood. Earth … Read more

Pocket Genius Science: Energy and forces – Electricity

Facts At Your Fingertips: Energy and forces – Electricity All atoms contain positively charged protons and negatively charged electrons. Electricity is a flow of charged electrons from one place to another. When electrons are transferred between substances, it can cause a buildup of negative charge in one place and positive charge in another— sometimes with … Read more