Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

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

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Try a 100th Day of School Scavenger Hunt with your preschooler, and send her on the search for objects of different colors!

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

In kindergarten, your child spent lots of time counting things one by one. But in first grade, he'll need to be able to count in groups, especially by fives.

This hands-on activity practices skip counting, a key first grade math skill. But it's silly fun!

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

Send your child on a hunt throughout the house for numbers to help develop her number recognition and ordering skills.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Finding the greatest number is great math practice! This strategic card game will help reinforce the concept of number value as well as addition facts.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

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!

Learn how to count in Spanish. Your child will practice her numbers and build her reading skills while learning a bit about Latino culture along the way.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Practice subtraction with your second grader in this fun dice game. Math concepts have never been more fun!

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Ordinal numbers, or numbers that indicate order, are the focus of this fun math game for young learners.

Test whether cutting up meats will make it cook faster than just cooking it whole.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Here's a simple math activity that has your child using her basic addition facts to solve a secret code.

This project concerns activity happening millions of miles away, on the sun.

When your child is itching for a game, consider ditching Hide and Seek in favor of Shape and Seek. Here's how it works: