This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

Have your child kick off their summer vacation by making a miniature water slide!

The goal of this project is to create an exciting topographical map out of dough.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Try this chemistry experiment with your curious kid and get some "shocking" results!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea produces varying pitches of sound.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

In this science fair project, students use the streak test to tell minerals apart from each other.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Take a dive into the candy jar with this yummy science experiment.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

This science fair project investigates why the number of visible stars changes from place to place.

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

Give your budding young observers a chance to discover simple machines at use in their own home.