Smarter Than Smoking
Secrets They Keep Poster
A colorful, thought-provoking infographic identifies 12 harmful chemicals found in cigarette smoke. It provides a sober warning for smokers and those exposed to secondhand smoke.
What happened to the frogs?
Curated OER
Toxicology and Living Systems
Students investigate how toxic chemicals affect biological systems. They determine the toxic dose of a chemical that inhibits seed germination in a Brassica rapa. They investigate the effect of environmental tobacco smoke on human lung...
Curated OER
Plants and Air Purity
Learners explore how green plants help improve air quality. They read an article and discuss the importance of air quality and its effects on the human body. They investigate by connecting hose to the top of a Bell jar and to a funnel....