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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea determines if the temperature of rubber effects how high it bounces.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Make sourdough bread...and learn some colonial history and modern science in the process!

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

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea investigates how color affects temperature.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Help your child plant a "tea garden": a garden made of herbs for making teas.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This project examines whether people's taste perception is influenced by what they see.

In this design challenge, your child will make a bottle rocket using typical household items.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

In this activity your child will create their very own marble maze!

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!