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

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.

Tackle both boredom and mathematics with this inventive arts and craft project!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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.

Graph are a great way to organize information. Your child will get to practice graphing by creating a bar graph and a pictorial graph of her friend's names.

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.

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