In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

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

In this design challenge, your child will make a bottle rocket using typical household items.

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

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

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This science fair project idea explores how length affects the weight a bridge can hold.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.