Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.