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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 environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion.

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

In this health activity (located on page 4 of the PDF), learners will discover the importance of hand washing by observing mold growing on potatoes.

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

In this activity about soil (page 7 of the PDF), learners will use their sense of touch as well as sight to understand how soil is classified based on texture and other details.

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 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 health activity (page 3 of the PDF), learners will discover why covering their mouth and nose while sneezing is so important.

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

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 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.