Quick Answer Metal sparks in the microwave because the electromagnetic waves cause a buildup of electric charges on the metal’s surface. When these…
Quick Answer Lithium-ion batteries store electricity through a chemical process involving the movement of lithium ions between two electrodes. When the battery charges,…
Quick Answer Electricity flows through water primarily because of the presence of ions. When water contains dissolved salts, minerals, or other substances, it…
Have you ever marveled at the magic of your microwave oven? It can transform a cold, sad leftover into a piping-hot meal in…
Quick Answer The Northern Lights, or Aurora Borealis, dazzle the sky with colors because solar particles hit Earth’s atmosphere. When these particles from…