Time One 55 min period One 55 min period Two 55 min periods lessons are not intended to be a complete unit, but, rather a learning activity guide for concept attainment. Teachers should supplement these lessons with appropriate reading material and problem sets. Simple Machines The Reaction Energy of Motion and Concepts Recycling Machine Students use one of the Students rotate through Students connect all other ramps from Ramp Race to stations and play/look at simple ramps to make a whole-class investigate the connection machines and other concepts. chain reaction machine. The between height of the ramp last ramp places a plastic and velocity of the ball at They describe what they do. bottle in the plastic recycling the bottom of the ramp. bin and a wad of paper in Student They try to imagine how each the paper recycling bin. Experience Students collect data and could help to connect their investigate the relationship ramp to someone else’s ramp. Students determine between PE and KE for the potential energy, kinetic ball on the ramp and They draw a sketch of how they energy, work done by the equation for the KE. plan to connect their ramp to friction on their ramp, work someone else’s ramp. done to start the next ramp. KE = ½ mv2 One ramp from “Ramp T4T Material Race” and height adjusters Simple Machines Stations The Cart (books, other tubes, etc.) Energy can transfer from Simple machines get work one form to another. done. They can be used to Big Idea KE = ½ mv2 make connections in the chain Work done by friction can be reaction (Rube Goldberg) calculated by using the ideas machine. of conservation of energy. Mechanical energy is Connection to Simple machines are conserved. KE can be Culminating inspirations for connecting the ------ determined by measuring Activity mass and velocity. CA Standards PH2. a none PH2. a, b, c HS-PS3-1 HS-PS3-3 Asking questions and Asking questions and defining problems. Asking questions and defining defining problems. Next Gen Sci Analyzing and interpreting problems. Analyzing and interpreting Standards data. Constructing explanations and data. Constructing explanations designing solutions. Constructing explanations and designing solutions. and designing solutions.
Time One 55 min period One 55 min period Two 55 min periods lessons are not intended to be a complete unit, but, rather a learning activity guide for concept attainment. Teachers should supplement these lessons with appropriate reading material and problem sets. Energy of Motion Simple Machines and Concepts The Reaction Recycling Machine Student Experience Students use one of the ramps from Ramp Race to investigate the connection between height of the ramp and velocity of the ball at the bottom of the ramp. Students collect data and investigate the relationship between PE and KE for the ball on the ramp and the equation for the KE. KE = ½ mv2 Students rotate through stations and play/look at simple machines and other concepts. They describe what they do. They try to imagine how each could help to connect their ramp to someone else’s ramp. They draw a sketch of how they plan to connect their ramp to someone else’s ramp. Students connect all other ramps to make a whole-class chain reaction machine. The last ramp places a plastic bottle in the plastic recycling bin and a wad of paper in the paper recycling bin. Students determine potential energy, kinetic energy, work done by friction on their ramp, work done to start the next ramp. T4T Material One ramp from “Ramp Race” and height adjusters (books, other tubes, etc.) Simple Machines Stations The Cart Big Idea KE = ½ mv2 Simple machines get work done. They can be used to make connections in the chain reaction (Rube Goldberg) machine. Energy can transfer from one form to another. Work done by friction can be calculated by using the ideas of conservation of energy. Connection to Culminating Activity Mechanical energy is conserved. KE can be determined by measuring mass and velocity. Simple machines are inspirations for connecting the ------ CA Standards PH2. a none PH2. a, b, c Next Gen Sci Standards HS-PS3-1 Asking questions and defining problems. Analyzing and interpreting data. Constructing explanations and designing solutions. Asking questions and defining problems. Constructing explanations and designing solutions. HS-PS3-3 Asking questions and defining problems. Analyzing and interpreting data. Constructing explanations and designing solutions.
CONSERVATION_OF_ENERGY-Chain_Reaction_Machine.docx