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There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

This experiment tests which gender is better at catching how a magician performs his tricks.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

This experiment investigates whether there are certain sounds that affect men and women differently

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea explores the different properties & interactions of sugar molecules.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

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

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

This science fair project idea compares biodiversity between drops of water.