The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Can cells be frozen? This science fair project provides information to answer this question.

This science fair project idea demonstrates sonar mapping of the ocean floor.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

This project concerns activity happening millions of miles away, on the sun.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

This science fair project idea determines the probability of a coin landing heads or tails.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

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

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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.