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!

Word color association is just a fancy way to talk about the way we connect colors with words.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this science fair project, young children notice and track changes in trees throughout the year.

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

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

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.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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!

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

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

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.