Curated OER
Is Organic Food Worth the Extra Cost?
Students calculate the amount of pesticide residue in selected foods for two
pesticides and determine if these levels are safe. They read an article about a
research study looking for metabolites of these pesticides in children. Finally,...
National Institute of Open Schooling
Environmental Concerns
Every year, more than 14 billion pounds of garbage is dumped into the oceans of the world, most of which is plastic and toxic to ocean life. Lesson 32 in the series of 36 focuses on environmental concerns, specifically pollution. Under...
Curated OER
The Anxiety Workbook For Teens
Teens often face a great deal of worry in their lives, and can be at a loss with how to anticipate and handle their emotions. This workbook is an exceptional resource for both educators and students alike as a way of supporting...
Curated OER
Great Lakes Ecology
Students are able to use a secchi disk to measure the turbidity of water by determining the depth at which the sechi disk is no longer visible and using the data in a formula to quantify the results. They are able to use Vernier probes...
National Institute of Open Schooling
Compounds of Carbon Containing Halogens (Haloalkanes and Haloarenes)
Halogens comes from a Greek word which translates to make salt. Lesson 27 in the series of 36 teaches pupils about halogens. Pupils read, discuss, and answer questions in order to learn about haloalkanes and haloarenes. From defining...