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Facilitator: Jessica Hernandez Mary Tweedy, Curriculum Support Specialist

Grade 2 TEACHERS’ WORKSHOP Big Idea 13: Forces and Changes in Motion Topic VII Effects of Pushes and Pulls November 8, 2013. Facilitator: Jessica Hernandez Mary Tweedy, Curriculum Support Specialist . Benchmarks.

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Facilitator: Jessica Hernandez Mary Tweedy, Curriculum Support Specialist

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  1. Grade 2 TEACHERS’ WORKSHOPBig Idea 13: Forces and Changes in MotionTopic VII Effects of Pushes and PullsNovember 8, 2013 Facilitator: Jessica Hernandez Mary Tweedy, Curriculum Support Specialist

  2. Benchmarks • SC.2.N.1.1 - Raise questions about the natural world, investigate them in teams through free exploration and systematic observations, and generate appropriate explanations based on those explorations. (Cognitive Complexity/Depth of Knowledge Rating: High) • SC.2.N.1.2 - Compare the observations made by different groups using the same tools. (Cognitive Complexity/Depth of Knowledge Rating: Moderate) • SC.2.N.1.4 - Explain how particular scientific investigations should yield similar conclusions when repeated. (Cognitive Complexity/Depth of Knowledge Rating: High) • SC.2.N.1.5 - Distinguish between empirical observation (what you see, hear, feel, smell, or taste) and ideas or inferences (what you think). (Cognitive Complexity/Depth of Knowledge Rating: Moderate) • SC.2.P.13.1 - Investigate the effect of applying various pushes and pulls on different objects. (Cognitive Complexity/Depth of Knowledge Rating: High) • SC.2.P.13.4 - Demonstrate that the greater the force (push or pull) applied to an object, the greater the change in motion of the object. (Cognitive Complexity/Depth of Knowledge Rating: Moderate)

  3. Lesson Objectives: By the end of this lesson, students should be able to: • Describe motion • Define force (in terms of push and pull) • Explain the relationship between force and motion Key Vocabulary: • force, motion, rest, push, pull

  4. Lesson Essential Questions: • What is motion? • What happens when we push or pull an object? • What happens when I push or pull an object strongly? • What happens when I push or pull an object gently? • What is a force?

  5. Playground Activity We are going to outside to find out how many different ways we can move on the playground.

  6. What is an object doing if it is in motion? Moving

  7. What is motion? • Things are moving. • Things in motion change position.

  8. Different Waysan Object can Move • fast • slow • around and around • straight • zigzag • up and down • slide

  9. Give it a push or a pull What can you do to make an object move?

  10. What are a push or a pull that makes something moved called? Forces

  11. Pushes and Pullshttp://www.bbc.co.uk/schools/scienceclips/ages/5_6/pushes_pulls.shtml

  12. Forces and Movement http://www.bbc.co.uk/schools/scienceclips/ages/6_7/forces_movement.shtml

  13. Puffer Paths • Key Question: How many puff does it take to move your sheep from the pasture to the sheep pen? (See game board.) • Materials per student to make acotton ball “sheep” : drinking straw, cotton ball, chenille stick (pipe cleaner) • Materials per group: game board and tally sheet • Game Objective: Count and record the number of puffs it takes to blow a cotton ball “sheep” along a path on the game board. Compare your group’s data to the data for the whole class.

  14. Connecting Learning • What happens when we push or pull an object? Answer: It moves. • What happens when I push or pull an object strongly? • What happens when I push or pull an object gently? • What is motion? • Answer: Motion is the change in the position of an object. • What is a force? Answer: A force is a push or a pull that makes something move. • What are you wondering now about forces?

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