Curated OER
The Spread of Aids
This is an effective simulation of how communicable diseases such as AIDS can be spread throughout a population. Classmates exchange samples from their individual cups of liquid: one of them containing a dilute NaOH solution, and the...
Curated OER
Fizzies Virus
Sixth graders discover how disease spreads. In this disease control lesson, 6th graders brainstorm a list of diseases and simulate how a disease spreads by using cups of hydrogen peroxide and water. Students create the "Fizzies Virus"...
Curated OER
Human Genetics
In this biology learning exercise, 9th graders describe whether the father or mother is affected by a sex-linked disorder and why. Then they name two genetic disorders that are caused by a recessive allele on the X-chromosome. Students...