Learn how pumpkims grow from tiny seeds to big pumpkins. Pumpkins can be baked in a pie. Pumpkins can be carved into jack-o'-lanterns. Pumpkin seeds can be roasted for a healthy snack. But how does a tiny seed turn into a big pumpkin? Read and find out what a pumpkin seed needs to help it grow!

Explains how sounds are made and the purposes they serve for both humans and other animals.

Describes how and why daylight grows shorter as winter approaches, the effect of shorter days on animals and people, and how the winter solstice has been celebrated throughout history. Includes activities.

Looks at the various kinds of plants and animals, including camels, cactuses, and snakes, that survive in desert ecosystems throughout the world.

A simple explanation of what the spring equinox is and how it has been celebrated through the centuries.