Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Introduce your child to science with something they see everyday--their shadow!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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.

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.

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!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.