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Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.