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This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Vincent van Gogh painted golden hued pictures of the harvest using bold lines and vibrant color. Your child can explore this style of art using oil pastels.

Assemble your own stylish spider ring this Halloween using pipe cleaners and googly eyes!

If using regular watercolors is getting a little dry, liven things up by using salt to create a beautiful painting with unique crystal texture!

Make your own menagerie of animals using empty walnut shells

This science fair project idea designs safe bicycle routes using GPS.

Show your preschooler how to create a simple windsock using a colorful piece of tissue paper, a pipe cleaner, and yarn.

Using only straight-line sewing, your fourth can create a nifty felt pencil case perfect for his busy life.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Go on a storytelling adventure using your kindergartenerâs five favorite picture books.

In this project students experiment with making music using only glasses of water.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Make a shiny decorative Menorah using an egg carton and light bulbs.