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

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

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

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.

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.

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

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

The goal of this project is to create an exciting topographical map out of dough.

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.

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.

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