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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This experiment will evaluate if chewing gum affects students' test performance.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science fair project idea examines the reason boats are shaped and engineered.

What happens when colored beams of light mix? You might be surprised.

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

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.