Celebrate 100 fantastic days of school by creating a school-themed collage with 100 pieces in this unique arts and crafts activity.

This project commemorates the milestone of completing the first 100 days of school, while giving your child a manipulative to practice counting to 100.

This fun math game will help develop your child's counting skills and number recognition skills.

Put together a pine forest to help you count down the days until Christmas with your little one.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Start the new year with this fourth grade math "Calculation Challenge!"

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

Plan ahead for summer, by constructing a holiday calendar with your child. A great way to teach kids about time!

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

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

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

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

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

First grade math includes lots of work with two-digit numbers. Here's an activity to help kids practice recognizing and sequencing numbers from 1-30.

Celebrate the 100th day of school by making a unique work of art using 100 colorful pom poms in this fun kindergarten arts and crafts activity.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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!

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.

Make this paper chain calendar and give your child a visual reminder of the passing of time.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Celebrate the 100th day of school by creating a geometric, math-inspired mural in the style of Henri Matisse in this creative kindergarten grade art activity.

Put your kid in charge of her own survey! She'll poll her relatives and friends, collect information, and then create a colorful chart to display her findings.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

This science fair project idea determines which flower lasts the longest.

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