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

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Children will reflect on how community service makes us better people. Then they will complete a service survey to gain a better understanding of their interests, gifts, and their potential role as a service worker in their community.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Build second and third grade writing skills by using pictures to help kids "see" how to use details in their stories.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Using lessons from Martin Luther King, Jr.’s life, help your child implement kindness and compassion into their interactions with others.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea demonstrates that plants give off water.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project will help students learn about non-vascular plants, such as mosses.

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

This science fair project idea investigates if fats add to the flavor of food.

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

This science fair project idea determines which method of hand cleansing is the most effective.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.