This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

Make an adorable nut buddy by crafting nature people out of nuts in shells! Buddies will take on their own personalities depending on the materials you use.

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

Help your child hunt and capture bugs to observe to practice important science skills and satisfy her curiosity simultaneously!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

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

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

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