Introduces differences in size by comparing groups of big animals, such as big turtles, wildcats, and ocean creatures.

Introduces differences in size by comparing groups of small animals, such as small birds, turtles, and fish.

"These projects and experiments show readers elements of STEAM they can see in nature every day. Build a sundial and a wind vane, and collect leaves, grass, and bugs for observation and exploration"--Provided by the publisher.

Drones are a Modern Engineering Marvel! In this engaging title, readers will explore the history of drones from hot air balloons to radio-controlled aircraft to today's unmanned aerial vehicles. Reginald Denny and his development of radio-controlled planes for the US military is featured, and a colorful infographic shows the parts of a drone. Readers will learn how different types of drones work and see the future of drones from weather monitoring...