Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Do you think heat can affect a plant's growth rate?

Test the placebo effect in different groups of people.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

This easy at-home experiment is a great way to "see" science.

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project idea determines if females or males tend to do better on optical illusion tests and whether certain age groups also do better.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!