Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Here's a hands-on activity that helps your child understand the concept of "circumference."

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This project is a great way to explore variations in how to paint using watercolor.

Budding bakers can explore the excitement of the kitchen without fear of cuts or hot ovens by making these super simple and tasty cookies.

Leadership is a word that can hold many meanings. In this activity, your child will define the word "leadership," learn more about a leader they admire, and reflect on their leadership. Finally, your child will reflect on how they too are a leader!

This experiment tests which gender is better at catching how a magician performs his tricks.

Here's a fun at-home activity that will help your child strengthen his ability to work with and interpret data in various forms.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project idea examines whether boys and girls differ in reflexes.

Conduct a mock interview with the President to teach your child about politics, the president and the world she lives in.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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