Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Start your toy engines -- this is going to be a fast and friction-filled race!

This project compares the strength of one, two, and three-ply toilet paper.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this activity, your child will be challenged to make a tower using paper cups.

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

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!