“The cosmos is also within us, we're made of star-stuff. We are a way for the cosmos to know itself.” - Carl Sagan
Compared to the Sun, how big is the Earth? What is a scale model and how does it help us understand the size of things? In this episode we'll walk you through the size of things that are impossible to measure in inches and feet. We'll show you how to calculate the circumference of the Earth using shadows and math. We'll even show you how we know that the Earth is round.
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For more information about how to use this resource in your classroom please visit our Teacher Tips page that includes standards, classroom activities, and additional resources.
How Big is Big Teacher Tips: bit.ly/46IaOZv
This episode includes:
Powers of 10 in Pennies: • How big is BIG?: The Scale of the Uni...
Try This at Home: Power of 10 Viewer: • How big is BIG?: The Scale of the Uni...
Figuring the Circumference of the Earth: • How big is BIG?: The Scale of the Uni...
How Far Away is the Moon?: • How big is BIG?: The Scale of the Uni...
Solar System in a Bag: • How big is BIG?: The Scale of the Uni...
Toilet Paper Solar Systems: • How big is BIG?: The Scale of the Uni...
STEM in 30 is a free educational series for kids produced by the Smithsonian's National Air and Space Museum. We cover all the cool, fun, and weird ways that aviation and spaceflight touch our lives. Check out more episodes: airandspace.si.edu/stem-30
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This episode is made possible by the generous support of Boeing, Hexcel and Safran.
#STEM #Scale #ScaleModels #NGSS #SolarSystem #LightYear #Classroom #NASA #LessonPlans
Smithsonian National Air and Space Museum