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WS_Science By You Activity_Pucks to Socks

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+ ward ' s science Page 1 Pucks to Socks Submitted by: Tahreen C. Recommended Grade Level(s): Appropriate for: Grades 11–12 students who are taking Honors or CP Physics Time Requirements: Prep Time: 10 minutes Activity Time: 60 minutes Teaching Topics & Concepts: Constant velocity, acceleration, Newton's 2nd law and force of kinetic friction. National Science Standards Alignment Science: Physical Science Motion and Stability: Forces and Interactions 5.HS.PS2.1. Analyze data to support the claim that Newton's second law of motion describes the mathematical relationship among the net FORCE on a macroscopic object, its mass, and its acceleration. Safety: • Students should have extra pair of socks so they can change after the activity • Other students should be around to spot the person sliding/skidding. • Student should practice a few runs with slower speed before attempting a faster starting speed. Materials: Students will have the options to choose any of the following materials as they see fit: • Meter sticks • Timer (or their phone) • Extra pair of socks • Motion sensor (Vernier or Pasco) Background Information, Activity Setup: Prior to this activity, the students have already learned kinematics and part of dynamics units of physics. Given the prompt, they should know to create a scenario where kinetic friction should be the only force acting on the object of interest. Students should also know that for there to be kinetic friction, the object of interest has to be moving against the surface in question. Following are equations that will be needed: F earth = mg F kinetic friction = µ KF F Normal V f 2 = V02+2ad This content is being brought to you by the Ward's World, Science By You program. This program brings lesson and classroom activity ideas directly from science teachers around the nation right to you. From best practices to activities, Science by You offers inspiration for every subject and every grade level. Interested in sharing your own content? Learn how today. PMS200 Black 70% Cool Gray 10 Black Astra Regular get for free from dafont.com

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