Learn about subatomic particles in physics and chemistry. Discover subatomic particles in an atom and fundamental or elementary particles.| Science Notes and Projects
Learn the difference between ionizing and non-ionizing radiation. See the parts of the spectrum and risks for each type of radiation.| Science Notes and Projects
Get the values for the speed of light in different units. Learn whether anything can go faster than the speed of light.| Science Notes and Projects
Learn about gamma rays or gamma radiation. Discover their properties, sources, health hazards, detection, and uses.| Science Notes and Projects
Get the atomic nucleus definition and facts, including a look at what is inside the nucleus of an atom and how big it is.| Science Notes and Projects
Get the definition of an isotope. See examples of isotopes and learn the difference between an isotope and a nuclide of an element.| Science Notes and Projects
Learn what an electron is. Get its definition, learn where to find electrons, and understand the properties of this type of matter.| Science Notes and Projects
Learn what a proton is, where it's found in the atom, and get interesting facts about protons.| Science Notes and Projects
Get the element definition in chemistry. See examples of chemical elements, learn how many there are, and see how they are identified.| Science Notes and Projects
Learn what a nova is. Get facts about novae and supernovae, including how they form, the difference between them, and famous examples.| Science Notes and Projects