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Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

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

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea investigates how images are influenced by changes in light.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

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.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This science fair project idea demonstrates how our fingers prune when in water.

This science fair project idea explores substances that cause a bubble to last longer.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Science fair project that examines the biodiversity of ant populations in various locations.

In this project students experiment with making music using only glasses of water.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Learn about the factors that influence group conformity.