(Encyclopedia) Ames, city (2020 pop. 66,427), Story co., central Iowa, on the Skunk River; inc. 1870. Its chief manufactures are electronic, water-analysis, and water-treatment equipment…
What Are Acids and Bases?ChemistryAcids and BasesWhat Are Acids and Bases?Properties of Acids and BasesThe pH ScaleTitrationsBuffers Although I've told you that acids and bases aren't hard to…
Sample Narrative Essays Learning something new can be a scary experience. One of the hardest things I've ever had to do was learn how to swim. I was always afraid of the water…
(Encyclopedia) humidity, moisture content of the atmosphere, a primary element of climate. Humidity measurements include absolute humidity, the mass of water vapor per unit volume of natural air;…
(Encyclopedia) diving, springboard and platform, sport of entering the water from a raised position, often while executing tumbles, twists, and other acrobatic maneuvers. In most dives the upper part…
(Encyclopedia) bariumbariumbârˈēəm [key] [Gr.,=heavy], metallic chemical element; symbol Ba; at. no. 56; at. wt. 137.327; m.p. 725℃; b.p. 1,640℃; sp. gr. 3.5 at 20℃; valence +2. Barium is a soft,…
(Encyclopedia) radiator, device used to heat an area surrounding it or to cool a fluid circulating within it. The familiar radiators of steam and hot water heating systems in buildings are misnamed,…
The Circulatory SystemAnatomy and PhysiologyThe Circulatory SystemCells, Bells!Blood Types and GeneticsNow I Know My WBCs You might remember that blood is a form of connective tissue (widely…
The Take on TemperatureWeatherMeasuring the AtmosphereThe Take on TemperatureIs the Pressure Getting to You?The Wind in the WillowsIt's Not the Heat, It's the HumidityMeasuring the RainPlacing the…
CAN PLANTS MOVE? WHICH ARE THE BIGGEST PLANTS? WHY DO PLANTS HAVE ROOTS? HOW DO PLANTS DEFEND THEMSELVES? PLANT CLASSIFICATIONPHOTOSYNTHESISTRANSPIRATIONFIND OUT MOREPlants are one of the five…
