Check out these fun, interactive activities about oysters, algae, and the Chesapeake Bay!


Test your knowledge by matching up the parts of the microscope!


Compare oyster anatomy to human anatomy with this matching challenge.


How do you count tiny, MOVING cells under the microscope?
Try this challenge to estimate the number of algae cells present.


The Mystery of the Missing Microorganism!
Help Professor Sherry discover what has happened to her missing friend Bob.


You live in the Chesapeake Bay watershed, but how much do you really know about the bay?
Quiz yourself on fish, plankton, crabs, and more...!


Oysters in our bay are dying from disease!
Learn more about this dreadful parasite, then try our quiz.


Biofilm means "life slime".
Crawl through our Creature Collection and use a key to identify critters.


Adjust the trim of a ship and learn about ballast water.


Your task is to choose the non-native species in this Chesapeake Bay watershed activity.


It is your job to match each planktonic stage with its adult counterpart.
Be careful, appearances can be deceiving!