What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This project investigates the affect of storage temperature on microwave popcorn.

Find out whether putting something on top of a plant will inhibit its growth.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

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

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

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!

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Do you think heat can affect a plant's growth rate?

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.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.