This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea produces sounds by creating vibrations using different objects.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.