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

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!

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!

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.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

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

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

How powerful is the reaction between baking soda and vinegar? Find out here!

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Do you think heat can affect a plant's growth rate?

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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?

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!

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

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

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

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

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

This little chick is so cute that your child will want to make a whole flock to call her own.

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

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.