With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project idea demonstrates that plants give off water.

This science fair project idea investigates how the shape of an object affects drag.

This science experiment has students test whether a snail moves faster on concrete or dirt.

The objective of this science project is to determine the length of time for different seeds to germinate.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.