This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

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

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Here's a simple science activity that will help your child better understand how wells bring us water.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

This science fair project explores how salt and sugar affect the melting rate of ice in water.