What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This science fair project idea explores whether color affects a person's emotional state.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

This science fair project idea determines which method of hand cleansing is the most effective.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

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 compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Start your toy engines -- this is going to be a fast and friction-filled race!

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Learn whether writing things down really makes things easier to remember.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this experiment we will be determining whether birds prefer certain colors of seed.

Find out whether putting something on top of a plant will inhibit its growth.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.