Make subtraction practice more fun with this outdoor review game that's great for beginning math learners and more advanced!

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Explore the wattage of microwaves in relevance to cooking time.

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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

This is a great game to help your child learn number concepts in multiplication and division.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

This project explores whether music affects the growth and health of plants.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

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

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

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.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Science fair project that cultivates slime mold and monitors the stages of its development.

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

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Examine the connection between temperature and chemiluminescence.

Practice counting with this winter kindergarten art project! As your child sculpts a clay igloo, he will work on math and dexterity and learn about snow.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.