Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

The objective of this science project is to investigate patterns in fingerprints among family members.

This science fair project idea measures physical dexterity as a function of temperature.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

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

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

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

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

This science fair project idea demonstrates how our fingers prune when in water.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea assesses the effect of music on work performance.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.