Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This biodiversity project examines the biodiversity in your own backyard.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Determine if gender affects the ability to identify different smells.

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

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project idea investigates the hardness property of minerals.

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

In this project students experiment with making music using only glasses of water.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This project examines whether people's taste perception is influenced by what they see.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores substances that cause a bubble to last longer.