Discover whether a metal will expand under hot water.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea examines which type of insulation holds in the most heat.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Word color association is just a fancy way to talk about the way we connect colors with words.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This project investigates the affect of storage temperature on microwave popcorn.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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