Check out this cool and free middle school science fair project idea on how to make a solar oven.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Construct batteries that make electricity from fruits with this fun science fair project.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.