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In this math lesson, learners explore probability.

In this health, cooking, and math activity, learners explore nutrition and examine nutrition labels.

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 activity, learners make their own bug boxes and test the habitat preference of selected "minibeasts" (bugs).

In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.

In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.

In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.

In this activity, learners rotate through several learning and play stations to explore dinosaurs and paleontologists.

In this activity, learners discover that some things only stand up while they are spinning.

In this activity, learners explore how musical instruments are engineered.

In this activity (page 2 of pdf), learners craft a model of a skate egg case and come to understand that cartilaginous fish such as sharks and shakes employ reproductive strategies that differ from th

In this math lesson, learners record and graph plant growth and interpret data. Learners plant seeds, and once the seeds sprout, record the change in height of the plants for several days.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

In this math lesson, learners explore and investigate measurement using standard and non-standard units.

In this archaeology activity, learners make observations and conduct an experiment to demonstrate the effect saltwater has on artifacts.

Learners conduct two activities to investigate two properties of liquids: density and viscosity. In a clear container, learners stack 7 different liquids which will layer according to their density.

In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.

This activity introduces learners to Native Americans as people who depended upon nature in the past and continue to emphasize the importance of nature in the present.

In this activity, learners make critters out of recyclables and apply the rules of mathematics to solve genetics problems.

In this activity, learners make balloon models of disease-causing bacteria.