How Much Oxygen Is in the Air?Advanced-Level Science ProjectsEarth ScienceHow Much Oxygen Is in the Air?Which Is More Acidic, Snow or Rain? When you step outside and take a big breath of fresh air…
Can You Be a Human Battery?Intermediate-Level Science ProjectsChemistryCan You Be a Human Battery?What Materials Make the Best Crystals? The information presented here will give you a general idea…
Do Objects Float Better in Salt Water Than in Fresh Water?Science Projects for BeginnersPhysical ScienceWhy Do Some Objects Fall Faster Than Others?Do Objects Float Better in Salt Water Than in Fresh…
What Substance Melts Ice Fastest?Science Projects for BeginnersChemistryWhat Household Cleaners Break Down Jell-O Best?What Substance Melts Ice Fastest? Another fun chemistry project is to test a…
Making Invisible InkScience ProjectsJust for the Fun of It!Making Invisible InkMaking Eggs That BounceDo Odor and Bacteria Go Hand-in-Hand?The Sweetest Experiment This simple experiment is great…
(Encyclopedia) Lilburne, John, 1614?–1657, English political leader and pamphleteer of the Levelers. He was tried before the court of the Star Chamber as early as 1638 for printing and distributing…
(Encyclopedia) Marcus Aurelius (Marcus Aelius Aurelius Antoninus)Marcus Aureliusmärˈkəs ôrēˈlēəs [key], 121–180, Roman emperor, named originally Marcus Annius Verus. He was a nephew of Faustina, the…
(Encyclopedia) Hampden, JohnHampden, Johnhămpˈdən, hămˈ– [key], 1594–1643, English parliamentary leader; cousin of Oliver Cromwell. He entered Parliament in 1621, became closely associated with Sir…
(Encyclopedia) ionosphereionosphereīŏnˈəsfēr [key], series of concentric ionized layers forming part of the upper atmosphere of the earth from around 30 to 50 mi (50 to 80 km) to 250 to 370 mi (400…
Women's rights and women's suffrage have been contentious issues for centuries, with any movement toward equality and inclusivity being an uphill battle for many. Here, we will break down the women…
