More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

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

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

Evaluate the efficacy of different pain management techniques.

Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

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

Compare different remedies for cooling the mouth after eating spicy food.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Science fair project that examines the biodiversity of ant populations in various locations.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

This science fair project idea assesses the effect of music on work performance.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Can cells be frozen? This science fair project provides information to answer this question.