Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Explore the neural and mental mechanisms at play in mental imagery.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

This project is about after-images and what possibly affects them.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

Science fair project that determines whether mass and weight are the same or different.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.