Science and the scientific method: Definitions and examples
Jan 17, 2022 · Science is a systematic and logical approach to discovering how things in the universe work. Scientists use the scientific method to make observations, form hypotheses …
Who Invented the lightbulb? - Live Science
Nov 2, 2022 · Joseph Swan vs. Thomas Edison. In 1850, English chemist Joseph Swan began trying to make electrical light more economical, and by 1860 he had developed a lightbulb that …
The four seasons of the year: spring, summer, autumn (fall) and …
Feb 11, 2022 · March, April, and May are lauded as spring or autumn, depending on the location, while June through August are the months of summer for the north and winter for the south. …
Squirrels: Diet, Habits & Other Facts | Live Science
Jun 27, 2014 · Grey squirrels, commonly found in North America, are medium-size squirrels. They grow to 15 to 20 inches (38.1 to 50.8 cm) in length, with their tails adding an extra 6 to 9.5 …
States of matter: Definition and phases of change | Live Science
Oct 20, 2022 · How states of matter change. Adding or removing energy from matter causes a physical change as matter moves from one state to another. For example, adding thermal …
History of computers: A brief timeline | Live Science
Dec 22, 2023 · 1937: John Vincent Atanasoff, a professor of physics and mathematics at Iowa State University, submits a grant proposal to build the first electric-only computer, without …
Darwin's Theory of Evolution: Definition & Evidence - Live Science
Oct 14, 2022 · The incorporation of genetics into Darwin's theory is known as "modern evolutionary synthesis." The physical and behavioral changes that make natural selection …
Pollution facts and types of pollution | Live Science
Mar 17, 2023 · Paper and paperboard accounted for more than 26%; food was 15% and yard trimmings were 13%. Plastics comprised about 13% of the solid waste, while rubber, leather …
The solar system: Facts about our cosmic neighborhood
Feb 25, 2022 · The solar system is a collection of planets, moons, asteroids, comets, dust and gas that orbit our local star, the sun. It includes the rocky inner planets Mercury, Venus, Earth …
Deforestation: Facts, causes & effects | Live Science
Apr 28, 2023 · Deforestation is the permanent removal of trees from a forest. Deforestation can include clearing the land for farming or livestock, or using the timber for fuel, construction or …