Challenge your learner to design and build a city of their own in this creative engineering activity.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

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

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.

This science fair project examines how seeds hitchhike on animals and clothing.

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

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

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

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.

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

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

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

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

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!

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!

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.

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

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 which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science fair project idea investigates how color affects temperature.

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

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.