Challenge your learner to design and build a city of their own in this creative engineering activity.

This project compares the strength of one, two, and three-ply toilet paper.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Discover how and which salt melts ice the quickest.

This science fair project idea identifies trees using a dichotomous key.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This project examines what types of objects burn and which burn faster and cleaner.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Learn with makes water molecules work with this fun and easy science activity!

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Using a toy race car kids create a visual model of the Doppler Effect.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!