This science fair project idea investigates how color affects temperature.

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 idea discovers which brand of bubblegum produces the largest bubbles.

In this science fair project you will make a model of a cell membrane using very simple material.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Using a toy race car kids create a visual model of the Doppler Effect.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea produces sounds by creating vibrations using different objects.