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What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Examine the effect of pressure on carbonation in soda.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

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.

This science fair project idea identifies and understands adaptations in birds.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

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

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Using a toy race car kids create a visual model of the Doppler Effect.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

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

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This science fair project idea determines which flower lasts the longest.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.