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.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Does your child need counting help? Here's a simple game that kids can do at home to help them practice counting to two-digit numbers.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project idea determines effective strategies to help students stay awake and attentive.

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.

This first grade addition math game helps your child use critical thinking skills while practicing his computation.

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

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.

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.

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

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Teach your fifth grader an important math concept with this quick and simple activity that shows them how to divide whole numbers by fractions.

The Math Monster will save your second grader from repetitive math flashcards. Guessing mystery math facts is a fun way for him to polish arithmetic skills!

This fun, addition focused take on the classic card game War is a great way to help your child get a strong hold on addition.

Practice conversions within the metric system in this fun math card game for third graders.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

You don't need to spend big bucks to buy a pre-boxed version of a matching game at the store. You can make your own easily. Here's how:

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

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

This science fair project idea measures physical dexterity as a function of temperature.