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Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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

Create a bee garden to help shelter bees in your area.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea examines whether boys and girls differ in reflexes.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea compares biodiversity between drops of water.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.