Learn about heat in thermodynamics in physics and chemistry. Get the heat definition, formulas, and example calculations.| Science Notes and Projects
Learn about the colors of the stars from hottest to coldest and see why there aren't any green or purple stars.| Science Notes and Projects
Helium is the second element of the periodic table. These helium facts contain general information, history and chemical and physical data.| Science Notes and Projects
Learn what an atom is in science. Get the atom definition, examples, and learn about atomic structure, size, and shape.| Science Notes and Projects
Hydrogen is the first element of the periodic table. These hydrogen facts include general info, history, and chemical and physical data.| Science Notes and Projects
Learn about nuclear fusion. Get the definition and examples of both natural fusion in stars and artificial fusion for weapons and energy.| Science Notes and Projects
Get the definition of energy in science, especially physics and chemistry, along with examples of different forms of energy.| Science Notes and Projects
Learn about the states of matter. Learn the four main states of matter, other states, and phase transitions between them.| Science Notes and Projects
Learn about the three types of heat transfer: conduction, convection, and radiation. Get helpful examples.| Science Notes and Projects
Learn what temperature is in science. Get the temperature definition, units, and examples and see how it differs from heat.| Science Notes and Projects
Learn about the layers of the Sun. Get a diagram and see the names and features of the different parts of our favorite star.| Science Notes and Projects