Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Is it a square or a circle? See if you can trick your friends with this zany science project!