PHYSICAL CHANGENON-REVERSIBLE CHANGEREVERSIBLE CHANGEFIND OUT MOREIn a chemical reaction, the molecules of one substance break apart and join together with those of another substance to create a…
1812-15U.S. troops engaged: 286,730American battle deaths: 2,260The U.S. declared war on Great Britain during its war with France.America passed a series of laws that closed its ports to British…
Offspring of the toboggan Related Links 2014 Winter OlympicsMemorable Olympic MomentsBirth of the Modern OlympicsEncyclopedia: Ancient OlympicsBobsleigh Through the…
WHAT IS FUEL? FOSSIL FUELSNUCLEAR ENERGYRENEWABLE ENERGYFIND OUT MOREEnergy is the force that makes things work. Over many years, people have learned to produce energy from various sources, such as…
(Encyclopedia) flame, phenomenon associated with the chemical reaction of a gas that has been heated above its kindling temperature with some other gas, usually atmospheric oxygen (see combustion).…
Mysterious autumn winds that warm southern California by Liz Olson California Related Links Worst U.S. Forest Fires Disasters California In autumn, we often hear…
Energy is the power that we use for transportation, for heat and light in our homes and other places, and for the manufacture of all kinds of products. It has many other uses, too. The development…
(Encyclopedia) malnutrition, insufficiency of one or more nutritional elements necessary for health and well-being. Primary malnutrition is caused by the lack of essential foodstuffs—usually vitamins…
(Encyclopedia) Peacock, Thomas Love, 1785–1866, English novelist and poet. He was employed by the East India Company from 1819 to 1856, serving as its chief examiner the final 20 years. Peacock's…
