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Ask students to take five pieces of the same type of paper and the origami instructions. with them and teach five people they know how to make origami frogs ...

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Paper thickness Page 1www.nbtc.cornell.edu This material is based upon work supported in part by the STC Program of the National Science Foundation under Agreement No. ECS9876771.Paper thickness Objective: Students will measure the thickness of paper used in the previous activity (jumping frogs) and determine the effect of paper thickness on jumping ability of origami frogs. National Science Education Standard: Science and Technology Standard Levels 58 abilities of technological design. NYS MST Learning Standard: Standard 5.1: Engineering design is an iterative process involving modeling and optimization used to develop technological solutions to problems within given constraints. Materials: calipers (preferably one per group) graph paper rulers various weights of paper stock origami frog instructions Motivator: Fold two frogs exactly the same (color size) with 2 different paper thicknesses. Line up the two frogs on the starting line with a ruler to measure the distance that they jump. Why does one frog jump farther than the other frog? (DO NOT PROVIDE ANSWER.) Check for prior learning: Review activity from previous lesson and focus on materials used. Present a caliper and question: What is this device? What is it used for? Has anyone used a caliper? How does it work? What does it do? Can you show me?New learning: Students will make an origami frog following the instructions from the jumping frogs lesson. Then students will work in pairs or small groups and measure the thickness of the paper used in their frogs with the calipers. (See activity sheet.) Check for learning: Compare the graphs and discuss. Discuss conclusions Extension: Ask students to take five pieces of the same type of paper and the origami instructions with them and teach five people they know how to make origami frogs. Each person that they teach should have their frogs jump five times measure the distance their frog jumps calculate the average distance that their frog jumped. What is di ...

Source: www.nbtc.cornell.edu

 

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