Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How powerful is the reaction between baking soda and vinegar? Find out here!

This little chick is so cute that your child will want to make a whole flock to call her own.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.