This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project teaches students about wilting and browning of salad greens.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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.

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea investigates whether plants can survive being frozen.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

In this project students experiment with making music using only glasses of water.

Make sourdough bread...and learn some colonial history and modern science in the process!