In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This science fair project idea determines which brand of batteries have the longest life.

How powerful is the reaction between baking soda and vinegar? Find out here!

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

The project idea is to understand how sugar effects brain chemistry.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This science fair project will investigate a type of sustainable development project.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Here's a simple science activity that will help your child better understand how wells bring us water.

Science fair project that determines whether brain size is correlated with intelligence.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.