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

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.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Engineers in training can get started with this simple wheel-and-axle construction activity.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

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.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

The goal of this project is to create an exciting topographical map out of dough.

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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