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

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

This copying game is like a hopped up version of Simon Says, but it lets kids use their bodies to practice patterning, a key skill in early math.

Serve up this pretend play activity to your preschooler to give her counting skills a healthy boost.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

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

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This activity is a great way to practice sorting, counting, matching, and other early math skills--- on the fly.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

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

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.