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

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.

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.

In this science fair project, students make their own rain gauge to measure rainfall.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This tactile activity helps kindergarteners learn about texture.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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!

Create a self-portrait from natural materials in this collage craft activity!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!