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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 biology activity (page 3 of the PDF), learners will explore how plants turn sunlight into food through a process called photosynthesis.

In this colorful activity (page 6 of the PDF), learners will make a multicolor density column by using different concentrations of sugar solutions.

In this fun and imaginative writing assignment (page nine of the pdf), students will flex the creative side of their brains to learn more about the laws of motion and the scientific process.

In this activity, learners will design a protective package for an egg that will allow the egg to withstand a fall without cracking.

In this physics activity, learners will explore the concept of buoyancy, especially as it relates to density.

In this physics activity, learners attempt to lift a jar full of rice using only a spoon.

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

In this physics activity, learners explore how sound is created by vibrations.

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

In this combination chemistry and physics activity, learners explore water absorption in dried beans or peas and learn how this affects their physical properties.

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

In this chemistry activity (page 3 of the PDF), learners will observe a chemical change, specifically what happens to iodine when it is applied to ripe and unripe apples.

In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

In this activity (page 6 of the PDF), learners will observe both a chemical and a physical change.

In this physics activity (page 2 of the PDF), learners will construct their own walkalong glider. They will explore how air, though invisible, surrounds and affects other objects.

In this Energy and Environment activity (page 9 of the PDF), learners calculate the mass of a piece of gum, compare it to the mass of the gum's packaging, and then create a bar graph of the results.

In this activity, learners will make homemade jello that glows under a blacklight. They will learn about quinine, an ingredient in tonic water that is fluorescent.

In this activity about magnetism (page 17 of the pdf), learners experiment with magnets, exploring the concept of diamagnetic materials by seeing how a grape reacts to a magnetic field.