Cosmos4kids.: universe: em radiation, Cosmos4kids.com! this astronomy tutorial introduces electromagnetic radiation. other sections include the galaxies, stars, and the solar system. Electromagnetic wave - definition electromagnetic wave, A wave of electromagnetic energy that is radiated by an accelerating or oscillating electric charge and propagates through a vacuum or a material medium as a periodic. Biology kids/plants - biology4kids.: plants, There are two big biochemical processes on earth: photosynthesis and respiration. photosynthesis stores the energy and respiration releases that energy..
What electromagnetic radiation? - live science, Electromagnetic (em) radiation form energy takes forms, radio waves, microwaves, -rays gamma rays. sunlight . http://www.livescience.com/38169-electromagnetism.html X-rays - nasa science, X-rays. wavelengths light decrease, increase energy. -rays smaller wavelengths higher energy ultraviolet waves.. http://science.hq.nasa.gov/kids/imagers/ems/xrays.html Physics kids: types electromagnetic waves, Electromagnetic waves form energy waves electric magnetic field. electromagnetic waves mechanical waves . http://www.ducksters.com/science/physics/types_of_electromagnetic_waves.php