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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

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

This science fair project idea produces varying pitches of sound.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Science fair project that determines whether mass and weight are the same or different.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This science fair project idea investigates whether plants can survive being frozen.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Find out whether matte or shiny nail polish lasts longer.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.