Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project idea determines which method of hand cleansing is the most effective.

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea determines the most effective method of preserving food.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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

What happens when colored beams of light mix? You might be surprised.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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.

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea determines the probability of a coin landing heads or tails.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.