Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Check out this cool science fair project on identifying rocks and minerals for kids.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Introduce your child to science with something they see everyday--their shadow!

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.