This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea determines the probability of a coin landing heads or tails.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Many of the world's most important historical documents were written with quill pens. Have your kid make his own quill pen and put his penmanship to the test!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project idea examines which type of insulation holds in the most heat.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

Your fifth grader will love dreaming up special fortunes and embedding them in mouthwatering cupcakes for friends and family.

This costume wig is a simple craft that will result in a great item for Halloween, dress up, or pretend play. Make a yarn costume wig with your child.

Introduce your kid to cooking basics as you make shepherd's pie: a traditional Irish dish thanks to the trusty potato!

Cool down this summer and stay active, too, with a wet clothes relay! 

Explore if planting seeds in a certain direction will affect how fast it germinates.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Celebrate Kwanzaa with your fourth grader, or introduce them to a new cultural practice, by showing them how to weave a Kwanzaa mat out of an ordinary paper bag!

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Your fourth grader be delighted to create monkey companions out of poster board! They also provide a perfect opportunity to teach her interesting monkey facts.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Make these homemade friendship pencils for a party or the beginning of school and have a stylish writing utensil that kids will love trading.

Practice probability as well as negative and positive numbers in this fun math card game designed for fourth graders.

Encourage your child to take a page from Bridget Riley and the op art movement, and see if she can create an optical illusion in her artwork.

Eating a healthy breakfast starts the day out right, and your child can make something tasty and nutritious while honing her culinary skills!

Turn snack time into a healthy ho-ho-holiday activity! Make a face that looks like a cartoon Santa using fruits. It will be a fun activity that will get your family in the holiday spirit, and spice up your snack time with healthy treats.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Take a stab at 18th century American cooking with your kids by following this tasty recipe from one of the first colonial cookbooks.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Your child can now recreate history by building his very own fortified castle.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.