Curated OER
Odyssey of Life, Part II-The Unknown World
Learners complete an experiment in which they observe different natural sample in which they uncover the microbial world. They complete a two part worksheet that accompanies the lesson.
Curated OER
Snow on Sea Ice
Students examine different samples of ice and predict the amount of snow that has fallen in a given year. Using a calculator, they graph the various thicknesses. They analyze the graphs to determine the relationship between the snow and...
Curated OER
Fertilizer Frenzy
Students design and conduct an experiment testing the effect of fertilizers/soaps on algal growth. They estimate and predict, identify the variables, formulate a hypothesis, and record and analyze the data, presenting their findings in a...
Curated OER
Benthic Macroinvertebrates
Students survey and describe a stream ecosystem. They sample the benthic macroinvertebrate populations of a given stream and determine community structure through the use of the Chandler Index and a species diversity index.
Curated OER
Secret Agents of Dissolved Oxygen
Young scholars determine the changes in different types of water in a sealed container over time. They investigate how to measure dissolved oxygen, temperature, and carbon dioxide with calculator or computer probe-ware. Students...
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