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Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Explore the wattage of microwaves in relevance to cooking time.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

This project concerns activity happening millions of miles away, on the sun.

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.

Determine whether the relationship between a personâs armspan and height are genetic.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Discover which fabrics shrink the most in the wash and why.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.