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In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project teaches students about wilting and browning of salad greens.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Plants and light seem to be good buddies, but how far does the friendship really go?

Use pepper and soap to discover some fun facts about the properties of water.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.