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In this math activity, learners use a variety of sensory modalities to gain experiences with identifying, describing and creating repeating patterns.

In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern.

This great "re-use it" activity will demonstrate how to transform a greeting card into a box. Once constructed, the box can have many uses like holding special notes or keepsakes.

In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.

In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

In this great hands-on activity, learners use patterns to make a teepee from newspaper that they sit inside.

The goal of this activity is to design, build and test a house or toy for an animal.

In this activity, learners will engineer a new shape and use it to create a new pattern with no wasted space.

This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes.

In this activity, learners make their own "tornado" using two soda bottles and water.

In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.

In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.

In this activity, learners use raisins and seltzer water to understand why waves don’t move objects forward. Learners conduct two simple experiments to understand the circular movement of waves.

In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

In this fun group activity involving music and movement, learners are introduced to the idea that many insects walk by using their legs to create "alternating triangles." Learners sing the "Ants Go Ma

In this demonstration, learners explore a variation of a Foucault pendulum, but upside down.

In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this activity (Lesson 1), learners work in groups to create tide simulations.

In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.