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Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!