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.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

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.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This science fair project idea examines which type of insulation holds in the most heat.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.