This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science fair project idea determines if the color of light affects the growth of plants.

Challenge your learner to design and build a city of their own in this creative engineering activity.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

This science fair project idea investigates how color affects temperature.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Help your child learn about animal classification with this fun and delicious activity.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea investigates how magnetism can defy the force of gravity.