Curated OER
Diffusion through Membranes
Students identify diffusion and its processes through experimentation and calculations. They also use a CBL and conductivity probe to measure the conductivity of various solutions and study the effect of concentration gradients on the...
Curated OER
Estimating Maximum Cell Sizes
In this estimating cell sizes activity, students read about the relationship between a cell's size and the rate of cell waste diffusion. Students solve 4 problems including writing the equation for the rate of waste exchange, finding the...
Curated OER
Latin America and the Caribbean in the Classroom: The Economy and Trade
Students use the internet to gather information on daily exchange rates. They calculate the exchange rates between two countries by role playing they are going on vacation to these destinations.
Curated OER
Benefits of Indoor Plants
Students diagram a plant. In this Science lesson, students explore the concept of photosynthesis focusing on the oxygen production. Students calculate the amount of plants needed to filter the air in their classroom.
Curated OER
Animal Skin
Students investigate the skin surface to body area ratios for different animals. In this seventh/eighth grade mathematics/science instructional activity, students explore heat transfer between an animal’s body and the...
Curated OER
How Does Human Respiration Relate to Radon?
Students examine the role of human respiration and how it relates to radon. They identify damage to the lung from the exchange of carbon dioxide and oxygen. They work together to complete a lab activity and worksheet.