What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

This science fair project idea discovers the effect of (high) heat on animal cells.

Discover the wonders of simple clay by pressing flowers into a modeling medium!

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Make your own dreidel from modeling clay with this Hannukah craft activity!

Build a paper boat that's modeled on the ones used to cross the Nile River in ancient Egypt!

Winter is a great time to build a friendly snowman! Turn regular modeling clay into a glittery snowy surprise.

This science fair project idea explores the egg's thin membrane.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Explore griffins, dragons, and other medieval mythical beasts through sculpture by making your own bas relief beast out of modeling clay.

This science fair project idea demonstrates how our fingers prune when in water.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Construct batteries that make electricity from fruits with this fun science fair project.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Enjoy the beauty of winter from the comfort of your home with this first grade art activity: make sparkly snowflake sculptures using modeling clay and glitter.

Celebrate Read Across America with a Dr. Seuss-themed craft: make a paper plate elephant ears costume modeled after Horton from Horton Hears a Who!

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Practice math facts with your third grader was never so simple! This activity makes addition, subtraction, multiplication, and even division a lot more fun!

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Here's a quick and easy recipe for homemade play dough that doesn't involve any cooking! This bright and colorful modeling clay makes a great instant toy!

Draw some inspiration from pop artist Roy Lichtenstein and create a bright, bold comic-style image.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.