In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea investigates how color affects temperature.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This science fair project will help students learn about non-vascular plants, such as mosses.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Plants and light seem to be good buddies, but how far does the friendship really go?

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.