This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

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

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

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

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.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea determines if the color of light affects the growth of plants.

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

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

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

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

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This science fair project idea investigates food preference of birds.

This project is about after-images and what possibly affects them.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

This science fair project teaches students about wilting and browning of salad greens.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.