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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be challenged to make a tower using paper cups.

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

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This activity is a fun challenge for students who have just started learning to program educational robots.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this activity your child will create their very own marble maze!

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

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

This classic children's game demonstrates how sound travels through air vs. through a solid.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

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