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#### Pi Graph

The ExploratoriumAdd to list DetailsIn this activity, learners use a straight line to learn about circles. Learners measure and record the diameter and circumference of different sized cylindrical objects on a chart. Learners then...

#### Mold Mole Molds

The ExploratoriumAdd to list DetailsIn this activity, learners make different shapes that hold exactly one mole of gas (air). Learners are provided a face that they must measure and use as one of the sides of their three-dimensional...

#### Throwing Pi

The ExploratoriumAdd to list DetailsIn this calculus activity, learners use a classic problem of geometrical probability to find an important mathematical constant (pi). Learners explore Buffon’s needle problem (which asks the...

#### How Big is Small

The ExploratoriumAdd to list DetailsIn this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water. This lab asks learners to record measurements and make calculations...

#### Atmosphere Composition Model

The ExploratoriumAdd to list DetailsIn this activity, learners create a model using metric measuring tapes and atmosphere composition data. Learners will investigate the major components of the atmosphere (nitrogen and oxygen) as...

#### Skin Size

The ExploratoriumAdd to list DetailsGet all wrapped up in a lesson about skin! In this activity, learners measure and calculate the approximate surface area of skin on someone's body as well as the amount of atmospheric force...

#### Rutherford Roller

The ExploratoriumAdd to list DetailsIn this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus. Learners roll...

#### Earth Atmosphere Composition

The ExploratoriumAdd to list DetailsIn this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages. This activity also...

#### Having a Gas with Cola

The ExploratoriumAdd to list DetailsIn this activity, learners measure the amount of carbon dioxide in a carbonated drink. Learners work in teams of at least two to extract, collect, and measure gas (volume) from a can or bottle of...

#### Evolution in Plane Sight

The ExploratoriumAdd to list DetailsIn this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes. During the first round, they calculate the average distance the planes fly and...