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.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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.

Find out whether matte or shiny nail polish lasts longer.

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

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project investigates why the number of visible stars changes from place to place.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.