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

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

This biodiversity project examines the biodiversity in your own backyard.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project teaches students about wilting and browning of salad greens.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.