The goal of this project is to create an exciting topographical map out of dough.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This science fair project idea examines the reason boats are shaped and engineered.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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.

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Find out whether packaged seeds actually do expire in this new science fair project idea.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This science fair project idea investigates the difference in reaction times between boys and girls.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Help your child learn about animal classification with this fun and delicious activity.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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.

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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.