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Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Encourage your fourth grader to develop their critical thinking and critical writing skills with this Critics' Choice movie booklet for your family.

This science fair project idea determines the most effective method of preserving food.

Mocktails are fancy non-alcoholic drinks perfect for celebrations. Make a batch of mocktails for kids and adults alike at your New Year's Eve celebration.

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

Rid your family of that pile of old Christmas cards once and for all! Show your child how to create a nifty 8-sided ornament using his favorite holiday images.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Help your fourth grade scientist practice measurement, and make a scrumptious, healthy summer cheesecake in the process!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

A pangram is a sentence that uses all the letters in the English alphabet. In this group game kids might just learn a thing or two about word choice in writing!

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Give your child a taste of life in Civil War era America by mixing up a batch of old-fashioned cornbread, adapted from a 19th century recipe.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Explore African and Asian traditions with this recipe for homemade henna ink!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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.

Reinforce your child's measurement and problem solving skills this holiday season! This decadent bread pudding, dressed up with pumpkin and warm spices, is a holiday show-stopper.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Here's a homemade bulletin board project to help your fourth grader's school year start off right.

This gumbo recipe is a yummy way to celebrate Black History Month, and get a little practice in measurement.

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

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.