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Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

The project researches how lubricants affect the mechanical advantage of a pulley.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

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.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

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

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

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.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea explores whether talking to a plant will help it grow.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

This project examines whether and what associations exist between numbers and letters and colors.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.