Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!