Kategoria BISAC: Juvenile Nonfiction >> Science & Nature - Earth Sciences - General

The official start of the harvest season, it occurs around September 21 each year. It marks the end of summer and the beginning of longer nights and shorter days. For many cultures around the world, the fall equinox represents a time to celebrate the harvest and begin collecting and storing crops.

Looking at both the science of weather and the history of how the fall equinox has been celebrated by various cultures throughout the world, this book will inspire a new understanding of autumn and the harvest season.

Science activities, ideas for...

If you look carefully, you can find them and be amazed These secret pools form every year when low places on the forest floor fill up with rain and melted snow. They soon become home to hatching wood frogs, spotted salamanders, and fairy shrimp. Even in late summer and fall, when many vernal pools have shrunk to mud holes, creatures such as turtles and snakes rely on them for shelter and food. The Secret Pool introduces young readers to the wonders right underfoot as the voice of a vernal pool shares its secrets through the seasons, and sidebars provide fun facts on its inhabitants and...

Containing star charts, a guide to the constellations, and details about seasons and the movement of the objects we see in the sky, this classic book makes H. A. Rey s passion for astronomy evident on every page.

New updates concentrate on the planetary and solar system information in the latter part of the book. Facts and figures for each planet have been revised, and new scientific information has been added, such as Pluto s reclassification as a dwarf planet. There's also a brand-new online resource that allows readers to track the positions of the planets in the night sky till...

A healthy ocean is home to many different kinds of animals. They can be
big, like a whale,
tiny, like a shrimp,
and even scary, like a shark.

Even though sharks can be scary, we need them to keep the oceans healthy. Unfortunately, due to overfishing, many shark species are in danger of extinction, and that can cause big problems in the oceans and even on land.

What would happen if this continued and sharks disappeared completely?

Artist Lily Williams explores how the disappearance would affect other animals across the whole planet in this clever book about...