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

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

In this science fair project, students create their own miniature salt flats at home.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science fair project idea determines what household items are good conductors of electricity.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.