This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

This science fair project idea produces varying pitches of sound.