Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Compare and order numbers and introduce mathematical inequalities in this fun math card game.

Check out this simple version of a pairs game that's played all over the world. It's a great way to practice estimating and predicting mathematical outcomes.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Head out to the driveway, ball in hand, for a bouncing challenge. Then use those results to make a colorful graph that lets your child compare results.

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

In this fun math activity, second graders will learn to estimate items in a jar! 

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

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.

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

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.