But what causes them? Why is there winter in the Southern Hemisphere at the same time there is summer in the Northern Hemisphere? In summertime, why is it still light out in the evening? With simple language appropriate for young readers, non-fiction master Gail Gibbons introduces young readers to the four seasons and explains why they change throughout the year.Clear, simple diagrams of the earth's orbit are labeled with important vocabulary, explained and reinforced with accessible explanations. The Reasons for Seasons introduces the solstices, the equinoxes, and the tilt in Earth's axis that causes them, and gives examples of what each season is like across the globe from pole to pole.Fascinating and easy to understand, this is a perfect introduction to seasons, earth's orbit, and axial tilt. Different effects on different parts of the world are included, illustrating the difference in climate between the equator, the northern and southern hemispheres, and the polar regions.

    We can't see air moving, though we can watch it push clouds across the sky, or shake the leaves of a tree. We call moving air the wind. In this enlarged edition, find out about the wind - what causes it, how it can be used to help us, and how it affects the weather.

    Readers follow two enthusiastic rock hounds around the globe as they add to their collection. Along the way they will learn how sedimentary, metamorphic, and igneous rocks are formed. From the Egyptian pyramids to Roman roads, from the diamond ring on your finger to the pebbles under your feet'rocks are everywhere!  This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children ages 4 to 6. It’s a fun way to learn to read and as a supplement for activity books for children.This is a Level 2 Let’s-Read-and-Find-Out Science title, which means the book explores more challenging concepts for children in the primary grades and supports the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Let’s-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.

    It melts into water and then vanishes! The ice cube changes from solid to liquid to gas. . . . Read on to find out more about the three states of matter.

    Children are given a well-rounded understanding of this beautiful fish: its anatomy, feeding habits and behavior. The following Sharks are featured:* The swift Black Tip Reef Shark* The dangerous Bull Shark* The resourceful Hammerhead Shark* The feared Great White Shark* The stealthy Lemon Shark* The fanged Nurse Shark* The gentle Whale Shark* The deceptive Wobbegong

    Frizzle's class is having a hard time putting together a giant globe of the world. A piece is missing...an island so new it hasn't been discovered yet! Before they know it, the kids are beneath the oceans's surface, exploring an underwater volcano. Join the class as they learn about volcanoes.

    Explains how fossils are formed and what they tell us about the past.

    WeatherWill it be warm or cold?Should we wear shorts or pants?Shoes or boots?Read and find out why the weather is so difficult to predict.

    If you had reindeer hair, it could help you stay afloat in water. And if you had a porcupine's hair, no bully would ever bother you again! WHAT IF YOU HAD ANIMAL HAIR? is a follow-up to the adorable WHAT IF YOU HAD ANIMAL TEETH? Each spread will feature a photographic image of the animal and its hair on the left and an illustration of a child with that animal's hair on the right. As in ANIMAL TEETH, the illustrations will be humorous and will accompany informative text.

    How do you know what type of clouds can forecast a change of weather? Read and find out.

    Before the next thunderstorm, grab this book by veteran science team Franklyn Branley and True Kelley and learn what causes the flash, crash, rumble, and roll of thunderstorms! This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children ages 4 to 6. It’s a fun way to learn to read and as a supplement for activity books for children.This is a Level 2 Let’s-Read-and-Find-Out Science title, which means the book explores more challenging concepts for children in the primary grades and supports the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Let’s-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.

    Using video links, IP Factly's Amazing Animal series has been designed to encourage and bolster independent reading. The animals are accompanied by pictures and facts plus video links so children can see the animals and how they behave.

    Frizzle's class is growing a beautiful garden. But, Phoebe's plot is empty. Her flowers are back at her old school! So, the class climbs aboard the Magic School Bus. And, of course, the kids don't only go back to Phoebe's school, but they go inside one of Phoebe's flowers! Follow the kids' adventure and learn how living things grow.

    This informative concept book includes detailed pictures of leaves in different sizes, shapes, and colors and a list of activities that kids can do with leaves.This is a Stage 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts for children in the primary grades. Let's-Read-And-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.Supports the Common Core Learning Standards and Next Generation Science Standards

    Travel with author-illustrator Thomas Locker and follow our planet's most precious resource--water--on its daily journey through our world.