This science project teaches students to classify different shapes of leaves.

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 idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea examines the reason boats are shaped and engineered.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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 fair project idea identifies clouds as a means of predicting the weather.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this activity your child will create their very own marble maze!