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.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

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.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

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!

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

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.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

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.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

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!