When Kate learns that her class is going on a field trip to the aquarium, she is thrilled that she’ll get to see the penguin exhibit! The rockhopper penguins are her favorite. To prepare, Ms. Eberlin assigns the class a project: each student has to do a report about a different animal at the aquarium. Even though Kate gets assigned sea lions, she’s still thrilled to go. Kate, Birdie, and the rest of the class excitedly prepare for their projects until it’s finally Aquarium Day! But when a huge snowstorm threatens to ruin the class’s field trip, will Kate the Chemist be able to save the day with science? Make Your Own Chocolate-Covered Pretzels! Experiment Inside!