Curated OER
Water Quality Monitoring
Pupils comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...
Curated OER
Cycles Review
Eighth graders discuss the four major cycles of matter. In this general science lesson, 8th graders decide which of the four is the most important. They share their opinion in class.
Curated OER
What Do We Have In Common?
Seventh graders perform a dissection on a mussels and label their internal organs. In groups, they compare and contrast the mussels structure to those of human beings. They also review the functions that are necessary for survival and...
Curated OER
Dissolved Oxygen
Students discuss the relationships between dissolved oxygen in a stream, stream temperature, organic waste loads, and stream conditions by studying and using a model of dissolved oxygen in the stream.
Curated OER
How Sensitive Are The Lungs to Radon?
Students examine the effects of radon on the lungs. They review pictures of the lungs on a large and small scale. They work together to answer questions to complete the lesson.
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Science: Breathing in Space
Students determine the amount of air they use during rest and activity. They conduct experiments to calculate the number of breaths needed to empty a jug of water by exhaling through a tube into the container. Then, they figure how much...
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Sustaining Life Under the Ice
Pupils design and conduct experiments in order to identify the components of lake water environments that are affected by winter ice cover. They use the experiment results to propose effective human management of these ecosystems.
Curated OER
Carbon Dioxide: The Heat is On
Students examine the greenhouse gases affecting the atmosphere. In groups, they participate in activities in which they examine the effects of heat on the atmosphere and phytoplankton. They research how the phytoplankton differ in warm...
Curated OER
Smog Be Gone
Young scholars begin the lesson by identifying greenhouse gases. In groups, they observe and record the effect of the gases on the atmosphere and the temperature of the Earth. They participate in activities that describe the role of...