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!

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.