Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This science fair project investigates what type of cookie sheet bakes the best cookies.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

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.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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