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Hurricanes form over warm ocean water. Liquid water becomes a gas or a solid, and then becomes a liquid again. Pollution and climate change affect water habitats. Incredible changes to water… More →
Cambios increíbles en la Tierra (Incredible Changes on Earth)
Living and non-living things on Earth are constantly changing over time. This series shows how scientists study rocks and fossils to find out what our planet looked like thousands of years ago and what living things today are related to the plants and animals of ancient times. Every book also includes a page for caregivers and teachers that suggests guiding questions to help aid in reading comprehension. Downloadable Teacher's Guide available.
Titles
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Earth was a lot different when dinosaurs were alive. Back then, the world's oceans were ruled by large sea monsters. Even though there have been incredible changes on Earth, there are still… More →
Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they… More →
Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that… More →
Earth was a lot different when dinosaurs were alive. Lush, deep forests once grew where we now have frozen oceans and glaciers. Even though there have been incredible changes on Earth, there… More →
Wind and water move sand and soil and carve rock. Enormous plates of land push against each other and create mountains. Find out how these incredible changes on Earth have happened over time. More →