Curated OER
"Professional" Settlement of Arkansas
Eighth graders examine the physical geography of Arkansas played and instrumental role in the settlement of the state.
Curated OER
Solubility and Chemical Changes in Groundwater
Pupils test pH of water before and after it travels through different substrates (igneous pebbles and limestone) to detemine how soluble materials can affect groundwater. They answer questions such as: What happended to the pH of the...
Curated OER
The Compost Bucket
Students recognize that plants and soils have a close relationship. They view a photo essay on the common practice and natural process of composting. Afterwards, they observe the process of plant decay over the course of several days.
Curated OER
Africa Vocabulary Quiz
In this Africa vocabulary quiz, students match vocabulary words with definitions, 12 total. Reference for material not present, but link to site and additional worksheets is.
BBC
Bbc: Gcse Bitesize: Making Fertilizer
This lesson focuses on fertilizers including how they replace nitrogen, phosphorus and potassium in the ground; how the plants get the nutrients; a table showing examples of fertilisers, their formula, and the essential elements they...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: George Armstrong Custer
George Armstrong Custer, a brilliant cavalry officer, was born at New Rumley, Ohio, December 5, 1839. He graduated at West Point, in 1861, and at once engaged in active service, being in the Bull Run battle. Throughout the war, it is...
Vision Learning
Visionlearning: Earth Science: The Nitrogen Cycle: Of Microbes and Men
Instructional module focusing on the nitrogen cycle. Discussion includes the requirement of nitrogen by all organisms, the five processes in the nitrogen cycle, and how humans impact this cycle. The site also includes an interactive...
Other
What Is a Soil Test?
The North Carolina Department of Agriculture explains soil testing, taking a soil sample, and analyzing the results.
Curated OER
Educational Technology Clearinghouse: Maps Etc: North China, 1971
" North China includes the densely populated and intensively cultivated North China Plain, the loess-covered uplands of Shansi, northern Shensi, and eastern Kansu, and the sparsely populated, semiarid steppes of Inner Mongolia....