Construct and experiment with a periscope using reflected light rays to gather an image.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this science fair project, students make their own rain gauge to measure rainfall.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea compares biodiversity between drops of water.

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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