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 celeb…
Read and find out about light in this colorfully illustrated nonfiction picture book. Light is all around you! It comes in many forms: Light from the sun brightens our day, firelight flickers in the night, electric lights fill our homes—and some animals even make the sea glow. With lively illustrations and diagrams and clear, engaging text, this Level 2 Let's-Read-and-Find-Out picture b…
Winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series A tadpole is a baby frog! Female frogs lay masses of jelly-coated eggs in the water, but what hatches from each egg isn't a frog yet—it's a tadpole. Tadpoles are likely tiny fish that breathe underwater through gills. As the tadpole gets older, it loses its…
The beginning of winter is marked by the solstice, the shortest day of the year. Long ago, people grew afraid when each day had fewer hours of sunshine than the day before. Over time, they realized that one day each year the sun started moving toward them again. In lyrical prose and cozy illustrations, this book explains what the winter solstice is and how it has been observed by various cultur…
The spring equinox signals the time of year when the days are getting longer, the growing season has begun, and animals give birth to their young. With accessible, lyrical prose and vibrant illustrations, this book explains the science behind spring and shows how the annual arebirtha of Earth has been celebrated by various cultures throughout the ages and the world. Teachers will appreciate the…
In this fourth and final book in the series about seasons, Wendy Pfeffer turns her attention to summer, when butterflies emerge from silky cocoons and daylight hours stretch longer and longer. With lyrical prose and vibrant illustrations, The Longest Day takes us on a journey through the history and science behind the summer solstice, with a focus on summer celebrations from various cultures ar…