Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

In this middle school activity, your child will learn how to press plants and create her very own herbarium, or plant library! Here's how:

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project examines how seeds hitchhike on animals and clothing.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

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