Explore the effect of wind speed on the burning rate of a candle.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

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

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

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

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

This experiment tests which gender is better at catching how a magician performs his tricks.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

This experiment will explore whether adding different substances to a gel affects its strength.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.