This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

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

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

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Test whether plants can grow without sunlight and water.

This science fair project idea discovers the effect of (high) heat on animal cells.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

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

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.