This experiment investigates if small changes in your diet can alter your basal body temperature.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

Investigate which substances are most effective at removing salt from water.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science fair experiment examines the relationship between gender, age, and smiling.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This project examines whether humans can intuitively grasp numeric values greater than three.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!