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Construction and Destruction
Source Institutions
In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-711.jpg?itok=6IPRecKL)
Erosion
Source Institutions
In this activity, learners model erosion using a clear shoebox and sand or soil.
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Hold It
Source Institutions
In this outdoor activity/field trip, learners investigate the special shapes, holding structures and holding behaviors that real organisms use in streams, rivers, creeks or coast intertidal zones to a
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Catch the Wind
Source Institutions
In this weather activity (page 1 of the PDF), learners will construct their very own anemometer to measure wind speed.
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Does the Moon Rotate?
Source Institutions
This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-372.png?itok=C9pMk8DQ)
Design and Build a Wind Vane
Source Institutions
In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.