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

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

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

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

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

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

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

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

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.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

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

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.