Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Examine spreadsheet functions and design a new way to utilize spreadsheets. Analyze a spreadsheet program to familiarize yourself with its capabilities.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Construct and experiment with a periscope using reflected light rays to gather an image.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this fun experiment, we'll find out how color affects heat absorption!

The project researches how lubricants affect the mechanical advantage of a pulley.

Examine how a battery can be made from everyday materials.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

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.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

This science fair project idea explores whether the color of surroundings affects human mood.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Determine whether the relationship between a personâs armspan and height are genetic.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

This science project allows students to study the psychology of happiness.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.