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Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

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

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

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

This science fair project idea examines whether people can decode scrambled messages.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be challenged to make a tower using paper cups.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

In this design challenge, your child will make a bottle rocket using typical household items.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.