Learn about rivers in geology. Get the river definition, learn how one forms, get examples, and discover interesting facts.| Science Notes and Projects
Learn about erosion in geology. Explore its definition, types, causes, and impact both by and on human activities.| Science Notes and Projects
Get Pluto facts. Learn about the dwarf planet, which was once considered the ninth planet of the solar system.| Science Notes and Projects
Learn about momentum in physics. Get its definition, units, formula, and worked example problems. See how it relates to Newton's laws.| Science Notes and Projects
Get facts about the planet Mercury. Learn about its orbit, temperature extremes, and atmosphere. Discover whether life on Mercury is likely.| Science Notes and Projects
Discover interesting Mars facts. Learn about the size, moons, surface features, and seasons of the fourth planet from the Sun.| Science Notes and Projects
Learn about escape velocity in physics. Get the escape velocity definition and formula and see the speeds for the Earth, Moon, and planets.| Science Notes and Projects
Discover what would happen if the Earth stopped rotating either suddenly or slowly. Learn whether anyone could survive the event.| 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 the solar system in astronomy. Get its definition, discover the planets in order, and get interesting facts.| Science Notes and Projects
Learn how to calculate your weight on other planets and see values for weight in pounds and kilograms within the solar system.| Science Notes and Projects
Learn about Newton's third law of motion. Get its definition, explanation, examples, and worked physics problems.| Science Notes and Projects
Learn about Newton's second law of motion in physics. Discover its formula, example problems, history, and practical applications.| Science Notes and Projects
Learn about Newton's laws of motion. Learn about the three laws and get examples of each law in everyday life.| Science Notes and Projects
Get the mass definition in science. Learn what mass is, how it differs from weight, and how it applies to scientific laws and formulas.| Science Notes and Projects
Learn about convection as a heat transfer process. Get its definition and examples. Discover types and applications of convection.| Science Notes and Projects
Learn the difference between mass and weight. See how to measure mass and use units correctly. Get mass vs weight activities.| Science Notes and Projects
Explore Newton's first law of motion. Get examples, the formula and derivation, and worked physics problems.| Science Notes and Projects
Learn about centrifugal force in physics. Get the definition, formula, examples. Discover how it differs from centripetal force.| Science Notes and Projects