Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

The objective of this science project is to determine the length of time for different seeds to germinate.

Slip some science into storm watching with a homemade rain gauge!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This simple experiment serves as an introduction to the greenhouse effect.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

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

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.