Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea explores the different properties of matter.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!