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In this chemistry activity, learners will explore the concept of entropy. When learners stretch and unstretch a balloon, they will notice a change in temperature.

In this weather activity which requires adult supervision, learners will get a chance to make a cloud right here on Earth!

In this astronomy activity (page 3 of the PDF), learners will examine the effects of gravity on a person’s pulse and explore how gravity can differ from planet to planet.

In this physics activity (page 10 of the PDF), learners will make a can that will roll back after it has been rolled away to observe the interactions of kinetic and potential energy.

In this activity about gravity (page eight of the pdf), learners will very simply explore how gravity affects objects using balls and toys.

In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.

In this activity, learners will explore how the voice works and feel the vibrations produced by vocal cords.

In this activity about light, learners explore how water can refract light and change the way they see things.

In this physics activity (page 8 of the PDF), learners will explore the property of density.

In this activity (page 7 of the PDF), learners will investigate the contents of owl pellets. Learners will discover how owls digest their food as well as the kind of animals they eat.

In this physics activity (page 4 of the PDF), learners will explore how similar magnetic poles repel one another. They will rely on linear induction to race magnets around a simple course.

In this physics activity (page 6 of the PDF), learners will explore how static electricity affects surrounding objects.

In this health activity (page 5 of the PDF), learners will explore a unique connection betweeen the bones of the body.

In this biology activity (page 8 of the PDF), learners will explore how saliva assists in the beginning of the digestive process.

This is an activity about robotics programming. Learners will discover how precise programmers have to be as they instruct a friend to make a peanut butter and jelly sandwich.

This is a chemistry lab activity about solutions (page 6 of the PDF). Students make a limewater testing solution for carbon dioxide and explore the concepts of solubility and precipitates.

In this fun physics activity (page 9 of the pdf), learners take part in a paper airplane design challenge.

In this chemistry activity (page 3 of the PDF), learners will learn about crystals by growing their very own.

In this chemistry activity (page 5 of the PDF), learners will see that chewing is more than just the crushing up of food; there is actually a chemical change going on at the same time.

Everybody loves messy science, and Flubber is a favorite of both COSI employees and guests!