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?

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

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

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

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

The objective of this science fair project is to investigate salt water density.

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.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

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 investigates whether air has mass and weight.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

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

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

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

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

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

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

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.

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

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

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

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