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UPDATED DAY 1 - INTRO TO TRANSLATIONAL AND ROTATIONAL MOTION.pptx

Science

Education◦
TRANSLATIONAL & ROTATIONAL MOTION
Differentiate translational motion from rotational motion based on their characteristics and examples. OBJECTIVES: Demonstrate body movements that represent translational and rotational motion. Appreciate the importance of motion in daily activities and human movement.
1.Divide the class into groups. 2.One learner picks a motion card and acts it out silently. 3.Group members identify whether the motion is: ⚬ Translational ⚬ Rotational Groups earn points for correct answers MOTION CHARADES! INSTRUCTIONS
What type of motion was easier to identify?
Can an object have both motions at the same time?
ACTIVITY MOVE ROTATE RELATE Learners will perform the words shown after this slide
ACTIVITY MOVE, ROTATE AND RELATE Walk in straigt line
ACTIVITY MOVE, ROTATE AND RELATE Spin in place
ACTIVITY MOVE, ROTATE AND RELATE Rotate one arm
ACTIVITY MOVE, ROTATE AND RELATE Push a chair forward
GUIDE QUESTIONS Which movement involved changing location?
GUIDE QUESTIONS Which movement involved turning around an axis?
GUIDE QUESTIONS What body parts were involved in rotation?
DISCUSSION PROPER
Motion is the observable change in position of a body with respect to a reference point. What is Motion? Motion occurs as the player and ball move relative to the net.
TYPES OF MOTION Motion where an object moves from one place to another. TRANSLATIONAL Motion where an object spins or rotates around an axis. ROTATIONAL
TRANSLATIONAL • Translational motion happens when an object moves from one place to another. • All parts of the object move in the same direction. EXAMPLES: • Walking • Running • Moving train • Sliding cabinet Linear Quantities • Displacement • Velocity • Acceleration
ROTATIONAL • Rotational motion happens when an object spins around an axis. • The center point is called the axis of rotation. • “Turning or spinning around a center” EXAMPLES: • Electric fan • Ferris wheel • Spinning top • Bicycle wheel Linear Quantities • Angular displacement • Angular velocity • Angular acceleration
COMPARISON Translational Motion Rotational Motion Moves from one place to another Spins around an axis Uses linear quantities Uses angular quantities Example: moving car Example: spinning fan
• Both involve movement. • Both can change speed. • Both are important in daily life. SIMILARITIES Remember!
SUMMARY • Basketball ⚬ ballrotateswhilemoving • Dancing ⚬ bodyspinswhilemoving • Bicycle ⚬ wheelrotates ⚬ bicyclemovesforward EXAMPLES Manyactivitiescombinetranslationaland rotationalmotion.
Classifythepicturesinto: 1.TranslationalMotion 2.RotationalMotion 3.CombinationofBoth • Bicycle • Ceilingfan • Rollingwheel • Escalator • Washingmachine GROUP ACTIVITY Scenario: EXAMPLES MotionClassification
Opportunities & Integration Another learning area: • Physical Education: body movement and sports Special Topic: • Road safety and movement awareness Technology • Videos and animated simulations of motion
FORMATIVE ASSESSMENET Identify whether the following motions are translational or rotational. 1.Spinning electric fan 2.Walking to school 3.Ferris wheel 4.Moving elevator 5.Rotating bicycle wheel