Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

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

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.