The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds reading skills while engaging students curiosity about STEAM topics through realworld examples. Packed with factoids and informative sidebars, it features a handson STEAM challenge that is perfect for use in a makerspace and teaches students every step of the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Discover engineering innovations that solve realworld problems with content that touches on all aspects of STEAM Science, Technology, Engineering, the Arts, and Math!

Binding: Paperback;34 pages; Publisher: Teacher Created Materials, Inc; Classification: YBLJ; Weight: 122 g; Dimensions: 177 x 227 x 7

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