This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science project idea's objective is to understand how TV mysteries change expectations of mystery stories.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Explore the neural and mental mechanisms at play in mental imagery.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

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

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Construct batteries that make electricity from fruits with this fun science fair project.

The objective of this science fair project is to explore whether superabsorbent polymer or hyrdrogel crystals have the best waterabsorbency.