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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.

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

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.

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

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.

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 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.

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 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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.