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This hands-on activity covers the basics of rock identification. After a brief discussion of the terms 'rock' and 'mineral', students will study the characteristics and classifications of the three major rock groups...
Soil is essential for life on Earth. It is needed for food, air, clothing and so much more. Discussion topics include the terms 'soil', 'dirt', and 'sediment', factors affecting the formation of soils, soil horizons,...
Obesity is on the rise in the United States, due primarily to the size and composition of the American diet. Discussion topics include lack of exercise, changes in calorie intake over time, and environmental impacts of...
The transport and transformation of substances in the environment are known collectively as biogeochemical cycles. These global cycles involve the circulation of elements and nutrients that sustain both the biological...
Most people are aware that plants undergo photosynthesis, a process by which they convert sunlight and carbon dioxide in sugar and water. But not as many realize that plants also undergo respiration, which is the...
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