Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

A science scavenger hunt can be a fun way to learn about science. Test your child's knowledge of scientific terms with this science scavenger hunt.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

The objective of this science project is to determine the length of time for different seeds to germinate.

The project researches how lubricants affect the mechanical advantage of a pulley.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Determine whether the application of Febreeze will lower the bacterial count.

This project is about after-images and what possibly affects them.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project idea identifies and understands adaptations in birds.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.