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

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

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Learn with makes water molecules work with this fun and easy science activity!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

In this project, different childproof containers are tested to see how childproof they really are.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

This science fair project idea investigates how different disinfectants work in killing germs.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

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

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

This science fair project idea teaches kids the different functions of a leaf.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Find out whether matching resonant frequencies can cause objects to shatter.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.