Chemistry Collective
Virtual Lab: Unknown Acid and Base Problem
Looking for an easy way to give your class experience with acid-base chemistry outside the lab? Try a detailed interactive that puts them in total control! Young chemists determine the dissociation constant and concentration of an...
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Visualizing a Human Gene with Its Introns & Exons
Students examine the entire DNA base sequence of the human adenosine deaminase gene after it is printed out from the source disk provided. The enormous length of a single gene as well as the immense difference in length between intron...
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The Structure of DNA
Students describe the structure of the double helix, explain how DNA copies itself, and recognize that the sequence of DNA is what makes each individual unique.
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DNA Fingerprinting
Ninth graders investigate what restriction enzymes do, and explain how a DNA sample can link a suspect to a crime.
Curated OER
The Hijacker - How a Virus Spreads
Students view a video that presents how viruses attack the body and how the body's immune system responds. They simulate the spread of an infectious disease and establish the identity of the original carrier.
Curated OER
Cholera and the Scientific Method
Five individuals in the class are "infected" with cholera! The rest of the class serves as investigators to discover the source of the outbreak. They test drinking fountains around campus for contamination. You, of course, will secretly...