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Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

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

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

If your kid is fascinated by dinosaurs, show him how to make his very own dinosaur egg. When he's not looking, hide a surprise inside!

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

This science fair project idea determines the probability of a coin landing heads or tails.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

This experiment will explore the best way to create a perfect soft-boiled egg.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Here's an activity that uses second-semester high school algebra to determine which pizza gives you the most bang for your appetite. Here's how to get started:

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Help your child learn one of the most beautiful mathematical expressions in nature as she uses the Fibonacci sequence to create a "spiral of beauty."

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

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

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.