Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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 science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

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

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

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

Practice measurement using centimeters in this fun math race designed for your second grade student!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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!

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.