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Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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!

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

This project examines whether and what associations exist between numbers and letters and colors.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.