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In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.

In this data activity, learners analyze data from coral reef snapshots taken by scientists at the Virginia Institute of Marine Science.

In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

In this math lesson, learners determine and compare the rate of descent of various learner-constructed parachutes. Learners construct parachutes that will have maximum hang times.