How do I make the cardboard models in the Topographic Landform Models and the More Topographic Landform Models books?
Take a look at these step by step instructions. Here are some more hints on construction of the cardboard landform models: • Have your students number the contour lines before they start to cut the layers. • Instead of using an X-acto knife, try using a pin to poke through the cardboard along the contour lines. Some teachers say it helps the students when they cut along the lines. • Be sure to cut the rectangular base first. • Use a metal straight edge when cutting the sides of the model. Make some 12″ metal straight edges out of a length of aluminum. Strips of aluminum are readily available at hardware stores. These can be easily cut with a hacksaw. • As your students cut the layers, have them number each one with the correct contour interval. This will make gluing the layers easier. • Check to see if the students are saving the correct parts. A few students will learn about topo maps the hard way by throwing away the useful cardboard parts and assembling the ‘throw away’ parts into n
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