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!

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!

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

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 explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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.

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.

Try this washi tape craft for Fatherâs Day, and combine cutting-edge crafting with technology for a colorful, useful gift for Dad.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Review fractions with your budding mathematician when you play this fun, educational math board game.

In this activity, your child will learn about the different parts of the brain and how mindfulness can build connections of calm.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Help your child make his very own stationery, then take the opportunity to teach him how to write a letter!

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Want a sugar-sculpted house, just like Hansel and Gretel found? Make a miniature version in this sweet geometry activity.

Plan a family dinner based on the "Little House" books, and encourage reading in the household!

Cultivating resilience is one of the most important ways we can overcome challenges and reach our goals. In this activity, children will explore the concept of resilience and then create a video to explain and teach resilience to others.

Is your child missing a friend or family member that's away at college, far from home, or in the hospital? This cute gift box says "Wish you were here!"

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.