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In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

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.”

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.