This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair project idea investigates food preference of birds.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

This project examines what types of objects burn and which burn faster and cleaner.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This experiment will evaluate if chewing gum affects students' test performance.

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

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

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.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This science fair project idea explores whether color affects a person's emotional state.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

This experiment evaluates whether motivational music can improve athletic performance.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

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