Every February 2, residents of Punxsutawney, Pennsylvania awaken a groundhog from its winter's nap. According to lore, if the groundhog casts a shadow, then six more weeks of winter lie… More →
Grades 2 - 5
When we look up to the sky, we see clouds. Sometimes rain falls from these clouds, and sometimes we get snow, sleet, or hail. Why are we drenched with water some days, blanketed with… More →
Flowers bloom and start producing seeds. Trees covered with fresh green leaves are making food for themselves. Young animals born in the spring are striking out on their own. The days are… More →
Is it possible to stand in a cloud? How big is a water-drop inside a cloud? Can we predict the weather by looking at clouds? Whether viewed from the ground or from a plane flying high above… More →
Why are some places on Earth hot and dry? Why do other places have thick, lush forests? Why are some places blanketed with snow during the winter while others get lots of rain? The answers to More →
What will happen to a snowman when the sun starts to shine and the temperature rises? Why do puddles disappear? How does water get into the sky to fall as rain? Young readers are already… More →
In some places, the weather is cold and snowy. In others, it's rainy and cool. People help birds find food by putting up bird feeders in their backyards. Days are shorter and nights are… More →
New plants poke through the soil. Birds build nests and lay eggs. Kids play outdoors longer after school. What does it all mean? It must be spring! From changes in the growth cycles of plants More →
Leaves change color and fall from trees. Farmers' crops are fully grown and ready for harvesting. The days grow shorter and cooler. What does it all mean? It must be fall! From changes in… More →
A chipmunk pokes its head out of a hole. Then it pops back down. Safe below ground, the chipmunk digs a hidden home for itself. When it's done, the chipmunk will sleep, eat, and stay safe in… More →
A prairie dog, standing on its hind legs, spots a badger on the prowl for its next meal. The little animal quickly begins jumping up and down and letting out a series of short barks. Other… More →