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

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.

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.

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.

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 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.

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 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.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

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.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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?

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

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