Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science fair project idea demonstrates that plants give off water.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

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

This project examines whether people's taste perception is influenced by what they see.

In this project children practice the scientific method while playing with puffy paint.

The project investigates how water and movement affects erosion.

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

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project idea produces varying pitches of sound.