Amy Hansen

Every fall, insects disappear. And every spring, they return. Where do they go? The dragonfly dies, leaving its young safe in the muddy bottom of a stream. The monarch butterfly sails the air to dry mountains in Mexico. And the Arctic woolly bear caterpillar becomes a "bugsicle"--it freezes solid, then thaws out to live another day. The honeybee, praying mantis, field cricket, ladybug, and pavement ant also use awe-inspiring tricks to outwit the killing...

Introduces such common materials as cloth, metal, plastic, wood, and paper, and points out some of their most important characteristics.

Updated for 2020, Emergent readers learn about solids and liquids.

"Meet the slowest mammal in the world! Tree-dwelling, leaf-munching sloths are a high-interest hit for elementary animal lovers. Questions and answers encourage inquiry-based learning about sloth behavior, diet, and family life. A Stay Curious! feature models media literacy skills. Includes simple infographics, glossary, and index"--

Learn about the sources, harnessing, and workings of geothermal energy, and what the future holds for this reliable renewable energy source.

An introduction to solar power that explains what it is, how it works, why it is a good alternate source of energy, what the pros and cons of solar power are, and how it might be used in the future.

Features a variety of experiments from many fields of science, such as biology, geology, chemistry, meteorology, physics, and more.

"In graphic novel format, text and illustrations explain how Earth's movement causes day, night, and changes in the seasons"--Provided by the publisher.