IntroductionWater-Borne Diseases: Cholera and DysenteryIntroductionCholera: Scourge of the PoorEpidemic Dysentery In This Section Major water-borne diseases Why water-borne disease primarily affects…
Watch and learn how scientists use the scientific method to find answers. Do seeds need water to grow? To answer this question, students will make a hypothesis and conduct a science experiment…
WATERS, Maxine, a Representative from California; born Maxine (Moore) Carr, in St. Louis, St. Louis County, Mo., August 15, 1938; B.A., California State University, Los Angeles, Calif., 1970;…
Did you know most rain in the United States starts as snow? This video explains how water changes state during precipitation, resulting in snow, sleet, hail, or rain.
Epidemic DysenteryWater-Borne Diseases: Cholera and DysenteryIntroductionCholera: Scourge of the PoorEpidemic Dysentery Dysentery is an inflammation of the intestine characterized by the frequent…
(Encyclopedia) Katahdin Woods and Waters National MonumentKatahdin Woods and Waters National Monumentkətäˈdĭn [key], 87,500 acres (35,400 hectares), N central Maine, est. 2016. Located E of Baxter…
Can Water Make a Bottle Rocket Fly Higher?Intermediate-Level Science ProjectsPhysical ScienceCan Water Make a Bottle Rocket Fly Higher?Downhill Discoveries We think of rockets as being fairly…
(Encyclopedia) Fitch, John, 1743–98, American inventor, b. Windsor, Conn. Fitch began (1785) work on the invention of the steam engine and steamboat and secured soon afterward the exclusive right to…