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.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science fair project idea determines the most effective method of preserving food.

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.

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 produces varying pitches of sound.

This science fair project investigates why the number of visible stars changes from place to place.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea investigates how color affects temperature.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea compares biodiversity between drops of water.

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 on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.