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What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This project compares the strength of one, two, and three-ply toilet paper.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project idea investigates if fats add to the flavor of food.

Help your child make a beautiful homemade sandcastle that will last!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Discover whether cold or hot water from the faucet will boil faster on the stove.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this science fair project you will make a model of a cell membrane using very simple material.

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