Are You Susceptible?

In this radiation and lifestyles worksheet, high schoolers are given 5 problems about a person which indicate her exposure to radiation. Students calculate her total dosage to radiation in each problem based on her exposure.

Students study adhesins and their receptors.  For this science inquiry lesson students experiment to find adherence and use agglutination to identify adhesins. 

Does having an addict in your family make it more likely to become one yourself? Explore the genetic risk factors, as well as the prominent environmental influences, for substance addiction in a lesson that encourages awareness and open...

The different methods of attack that the human body uses against invaders on a cellular level are summarized here. There are detailed diagrams regarding the specializations of the immune cells, and the chemical or physical response that...

The forestry presentation found here lists and describes a variety of tree diseases. A few unappetizing photos are included to show symptoms of some of these diseases, or the insects and fungi that cause them. If you have a class that is...

Antibiotic resistance encompasses one of the world's most pressing public health problems. The video explains how antibiotics work and why humans are becoming resistant to them. It expands on the idea of antibiotic resistance and options...

What is cancer? And why don't we all have it? These concepts are explored and tumor suppressor genes are introduced in this animated feature. This nutshell of information is fully packed and makes an outstanding resource for your biology...

What drives the ocean's motion? Get your class moving toward understanding by using this video. Viewers find that thermohaline circulation is caused by the concentration gradients of temperature and salinity. Using adorable animation in...

In the third and final lesson in the series on the impacts of climate change, learners synthesize the knowledge they have accumulated by identifying potential areas of concern for their school due to effects of drought and/or flooding,...

Students are asked to recount their greatest hopes and fears concerning DNA. One article states how worthwhile gene manipulation in plants can be. Classroom discussions arise after reading one article on this issue.