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.

This science fair project idea investigates how the shape of an object affects drag.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates the relationship between memory and age.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

This science fair project investigates what type of cookie sheet bakes the best cookies.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

This project involves the development of a website using free software online to promote the value of science.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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.”

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

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

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Make a backbone model to explore human anatomy and life science.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

This science fair project idea demonstrates sonar mapping of the ocean floor.