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.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Get your child excited about measuring with this fun and easy household measurements activity.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.