- orbit and centripetal force problem (15 min) - in groups of 2 - two mini whiteboards...one showing current work and one showing important results along the way
- look at equation for orbital speed...combining gravity force eq and centripetal force eq (3 min)
- Geostationary orbit problem (20 min) - start Google sheet showing...orbital radius...velocity at this height...dist for one orbit...time for one orbit - can you extend this table in order to find the orbital radius for geostationary orbit?
Thursday 3/12/20 Learning Targets Students will explore gravitational force Students will use the gravitational force equation to calculate the gravity force
Success Criteria Engage in note taking on Gravitational Force Engage in formative assessment on calculating gravitational force
- whiteboard assessment (4 min) - 60 seconds, record your answer - explain the rotation of the cup of water on string in terms of forces - share with partner then discuss
- swinging mass on a string and ponder these questions... (5 min) - is the mass accelerating - how would we calculate the acceleration? - does a smaller radius make more or less acceleration? - does more speed make more or less acceleration? - is there a force acting on the mass? how do you know? - what direction is the force pulling?
Learning Targets Students will convert between rotational speeds Students will solve problems involving rotational speed
Success Criteria Engage in formative assessment on rotational speed Completed notes on rotational speed Engaged in whiteboard problems on rotational speed
- discuss linear speed and rotational speed using mass on a string (6 min) - show how rotational speed can stay the same with longer and shorter string - discuss radians and degrees
whiteboard problems (12 min) - convert revolutions to radians - find radians per sec for a given situation - find number of revolutions given the angular speed and the time - find speed of the moon given the radius and the time for one revolution
Learning Targets Students will know the difference between rotational speed an linear speed Students will solve problems involving rotational speed and linear speed
Success Criteria Completed and presented Tennis Ball Speed Experiment Engaged in formative assessment on Rotational Speed
- Experiment in group of 2(25 min) - "using different string lengths, what is the fastest speed, in m/s, that your group can get a tennis ball to move when spun on a string?" - create document with three sections... experiment setup collected data results - groups share results
- discuss linear speed and rotational speed using mass on a string (6 min) - show how rotational speed can stay the same with longer and shorter string - discuss radians and degrees
whiteboard problems (12 min) - convert revolutions to radians - find radians per sec for a given situation - find number of revolutions given the angular speed and the time - find speed of the moon given the radius and the time for one revolution
- swinging mass on a string and ponder these questions... (5 min) - is the mass accelerating - how would we calculate the acceleration? - does a smaller radius make more or less acceleration? - does more speed make more or less acceleration? - is there a force acting on the mass? how do you know? - what direction is the force pulling?
Monday 4/22/19 Learning Targets Students will know the definition of torque and solve torque problems Students will design and build a bridge for efficiency (strength:weight ratio)
- Continue Bridge Building project...bridge assessment will be next Friday (20 min) - guidelines - scoring rubric ___________________________________________________________
Friday 4/19/19 Learning Targets Students will review circular motion unit Students will design and build a bridge for efficiency (strength:weight ratio)
- Continue Bridge Building project...bridge assessment will be next Friday (20 min) - guidelines - scoring rubric ___________________________________________________________
Thursday 4/18/19 Learning Targets Students will review circular motion unit Students will design and build a bridge for efficiency (strength:weight ratio)
Wednesday 4/17/19 Learning Targets Students will review circular motion unit Students will design and build a bridge for efficiency (strength:weight ratio)
analyze pole vault video (6 min) - watch this video in groups of 2 - record: what Physics concepts are involved in Pole Vault? - name and explain as many as you can.
Tuesday 4/16/19 Learning Targets Students will review circular motion unit Students will design and build a bridge for efficiency (strength:weight ratio)
- Rotational Inertia sheet (10 min) - show problems on projector - in groups of two on mini whiteboards
analyze pole vault video (6 min) - watch this video in groups of 2 - record: what Physics concepts are involved in Pole Vault? - name and explain as many as you can.
- Begin Bridge Building project - guidelines - scoring rubric ____________________________________________________________________________________
Monday 4/15/19
Learning Targets Students will explain rotational inertia and angular momentum Agenda opening problem (5 min)
- Demonstration on Rotational Inertia...person spinning on disk and pulls arms in (3 min)
- Demonstration on Rotational Inertia...disk rolling down incline (3 min) - in groups of 2...why is this happening?
_____________________________________________________________________ Friday 4/12/19 Learning Targets Students will use the gravitational force equation to calculate the gravity force
- orbit and centripetal force problem (15 min) - in groups of 2 - two mini whiteboards...one showing current work and one showing important results along the way
- look at equation for orbital speed...combining gravity force eq and centripetal force eq (3 min)
- Geostationary orbit problem (20 min) - start Google sheet showing...orbital radius...velocity at this height...dist for one orbit...time for one orbit - can you extend this table in order to find the orbital radius for geostationary orbit?
Thursday 4/11/19 Learning Targets Students will explore gravitational force Students will use the gravitational force equation to calculate the gravity force
- demos on centripetal/centrifugal force (8 min) -water in bucket...explain in terms of centripetal or centrifugal force - cup on swinging platform...explain in terms of centripetal and centrifugal force
- simulated gravity problem on board (6 min) - radius of space station is 1 km, what rate of spin will simulate gravity?
- swinging mass on a string and ponder these questions... (4 min) - is the mass accelerating - how would we calculate the acceleration? - does a smaller radius make more or less acceleration? - does more speed make more or less acceleration? - is there a force acting on the mass? how do you know? - what direction is the force pulling?
- swinging mass on a string and ponder these questions... (5 min) - is the mass accelerating - how would we calculate the acceleration? - does a smaller radius make more or less acceleration? - does more speed make more or less acceleration? - is there a force acting on the mass? how do you know? - what direction is the force pulling?
Learning Targets Students will convert between rotational speeds Students will solve problems involving rotational speed
- Opening Problem (5 min) - Opening Problem (5 min) -To Gym (6 min) - look at radius and radians - look at how linear speed relates to rotational speed - look at how linear speed relates to radius (if rotational speed is constant)
- swing mass on string - radius is 1.5 meters - swinging at 120 RPMs - What is the linear speed? - if I want linear speed to be ____, how fast do I need to spin the mass?
Explore Radians...guiding question...students in groups of 2 with whiteboards (8 min) - what is Pi? - how many radians are in a rotation? - show this using string - how many degrees is one radian?
whiteboard problems (12 min) - convert revolutions to radians - find radians per sec for a given situation - find number of revolutions given the angular speed and the time - find speed of the moon given the radius and the time for one revolution
- Debrief on spinning mass activity from yesterday (5 min)
- Problems on different units for rotation...using a mass on a string - what is the rotational speed in rev/min? - what is the rotational speed in deg/s? - given the string length, what is the speed in m/s? - show same rotational speed with diff string length
Whiteboard problems... - given radius and deg/s....find rev/min - given radius and rev/s....find m/s - given radius and m/s....find deg/s
Explore Radians...guiding question - what is Pi? - how many radians are in a rotation? - show this using string - how many degrees is one radian?
2017-18 Tuesday 3/20/18 Learning Targets Students will be assessed on circular motion unit
Monday 3/19/18 Learning Targets Students will review circular motion unit Students will design and build a bridge for efficiency (strength:weight ratio)
- go over Circular Motion Unit Practice Test ... test on Thursday (10 min)
- mini whiteboard review problems (15 min) - find RPM's to break string when spun - If satellite is 1.5 times farther from center of earth how will the gravity force be effected -how would changing radius change rotational speed of the wheel - block on merry-go-round...calculate coefficient of friction
Learning Targets Students will explain rotational inertia and angular momentum Agenda opening problem (5 min)
- Rotational Inertia sheet (10 min) - show problems on projector - in groups of two on mini whiteboards
analyze pole vault video (6 min) - watch this video in groups of 2 - record: what Physics concepts are involved in Pole Vault? - name and explain as many as you can.
- Circular Motion Unit Practice Test...test Monday (25 min)
Learning Targets Students will explain rotational inertia and angular momentum Agenda opening problem (5 min)
- Geostationary orbit problem (20 min) - start Google sheet showing...orbital radius...velocity at this height...dist for one orbit...time for one orbit - can you extend this table in order to find the orbital radius for geostationary orbit?
- Demonstration on Rotational Inertia...person spinning on disk and pulls arms in (3 min)
- Demonstration on Rotational Inertia...disk rolling down incline (3 min) - in groups of 2...why is this happening?
- Rotational Inertia notes (8 min)
- Rotational Inertia sheet (10 min)
analyze pole vault video (6 min) - watch this video in groups of 2 - record: what Physics concepts are involved in Pole Vault? - name and explain as many as you can.
Monday 3/12/17 Learning Targets Students will use the gravitational force equation to calculate the gravity force Students will design and build a bridge for efficiency (strength:weight ratio)
- Pinewood Derby Physics video...discuss (6 min) - what physics concepts are related to building a winning derby car?
- orbit and centripetal force problem (15 min) - in groups of 2 - two mini whiteboards...one showing current work and one showing important results along the way
- look at equation for orbital speed...combining gravity force eq and centripetal force eq (3 min)
- Geostationary orbit problem (20 min) - start Google sheet showing...orbital radius...velocity at this height...dist for one orbit...time for one orbit - can you extend this table in order to find the orbital radius for geostationary orbit?
Friday 3/9/18 Learning Targets Students will explore gravitational force Students will use the gravitational force equation to calculate the gravity force
Thursday 3/8/18 Learning Targets Students will explore gravitational force Students will use the gravitational force equation to calculate the gravity force
- Use Gravity Force Simulation (12 min) - explore the question..."for a circular orbit centered at the sun, what is the relationship between orbital distance and period of revolution?" - in groups of 2...dig into this question... how can you explore this question scientifically? how can you collect data to answer this question?
Tuesday 3/6/18 Learning Targets Students will explore gravitational force Students will use the gravitational force equation to calculate the gravity force
- Use Gravity Force Simulation (20 min) - explore the question..."for a circular orbit centered at the sun, what is the relationship between orbital distance and period of revolution?" - in groups of 2...dig into this question... how can you explore this question scientifically? how can you collect data to answer this question?
- work on problem on back of sheet from yesterday (6 min) - in groups of 2
- demos on centripetal/centrifugal force (8 min) -water in bucket...explain in terms of centripetal or centrifugal force - cup on swinging platform...explain in terms of centripetal and centrifugal force
- swinging mass on a string and ponder these questions... (4 min) - is the mass accelerating - how would we calculate the acceleration? - does a smaller radius make more or less acceleration? - does more speed make more or less acceleration? - is there a force acting on the mass? how do you know? - what direction is the force pulling?
- swinging ball on string example problem (5 min) - 1 rev/s ... find rev/min ... find rad/s ... find linear speed of ball - is the ball accelerating? ... changing speed? ... changing velocity?
whiteboard problems (15 min) - convert revolutions to radians - find radians per sec for a given situation given revolutions per minute - find number of revolutions given the angular speed and the time - find speed of the moon given the radius and the time for one revolution
- look at how radians relate to radii...use large circle on the floor (6 min) _____________________________________________________________________________________
Tuesday 2/20/18
Students will know the difference between rotational speed an linear speed Students will solve problems involving rotational speed and linear speed
- Experiment in group of 2(20 min) - "using different string lengths, what is the fastest speed, in m/s, that your group can get a mass to move when spun on a string?" - create document with three sections... experiment setup collected data results - groups share results
whiteboard problems (12 min) - convert revolutions to radians - find radians per sec for a given situation - find number of revolutions given the angular speed and the time - find speed of the moon given the radius and the time for one revolution
- create Bridge Report with your partner (20 min) - picture of bridge - analysis of bridge structure...why did you build it the way you did?
- picture of failed bridge - what was the efficiency number, and what does this mean? - what part of the bridge failed first and why? - how could the design of the bridge be improved?
Monday 3/20/17 Learning Targets Students will assessed efficiency of their bridges
Agenda - opening problem (10 min) - create Bridge Report with your partner (8 min) - picture of bridge - analysis of bridge structure...why did you build it the way you did
- test bridges (20 min)
- add anaysis of results to Bridge Report (10 min) - picture of failed bridge - what was the efficiency number, and what does this mean? - what part of the bridge failed first and why? - how could the design of the bridge be improved?
Wednesday 3/15/17 Learning Targets Students will review circular motion unit Students will design and build a bridge for efficiency (strength:weight ratio)
Agenda - opening problem (6 min) - Fahlkirk Wheel video and discuss (4 min) - go over Circular Motion Unit Practice Test ... test on Thursday (10 min) - mini whiteboard review problems (15 min) - find RPM's to break string when spun - If satellite is 1.5 times farther from center of earth how will the gravity force be effected - find torqe on a wheel with weight at 45 degrees ... how would increasing radius change torque ... how would changing radius change rotational speed of the wheel - block on merry-go-round...calculate coefficient of friction - work on Popsicle stick bridge ... bridge test on Friday (10 min) - add bridge and mass of bridge to bridge score sheet
Tuesday 3/14/17 Learning Targets Students will review circular motion unit Students will design and build a bridge for efficiency (strength:weight ratio)
- Circular Motion Unit Practice Test ... test on Wednesday (35 min) - work on Popsicle stick bridge ... bridge test on Thursday (10 min) - bridge score sheet
Monday 3/13/17 Learning Targets Students will use the gravitational force equation to calculate the gravity force Students will design and build a bridge for efficiency (strength:weight ratio)
Friday 3/9/17 Learning Targets Students will use the gravitational force equation to calculate the gravity force Students will design and build a bridge for efficiency (strength:weight ratio)
Thursday 3/9/17 Learning Targets Students will explore gravitational force Students will use the gravitational force equation to calculate the gravity force
Wednesday 3/8/17 Learning Targets Students will explore gravitational force Students will use the gravitational force equation to calculate the gravity force
Tuesday 3/7/17 Learning Targets Students will explore gravitational force Students will use the gravitational force equation to calculate the gravity force
Monday 3/6/17 Learning Targets Students will explain rotational inertia and angular momentum Agenda opening problem (5 min) analyze pole vault video (6 min) - what Physics concepts are involved in Pole Vault? - name and explain as many as you can. - Rotational Inertia Problems sheet in groups... go over (12 min) - Angular Momentum and Rotational Inertia notes (10 min) - wheel across parking lot demo (5 min) - intro Bridge Building Project _______________________________________________________________________________________
Friday 3/3/17 Learning Targets
Students will explain rotational inertia situations
Agenda - opening problem (8 min) - Demonstration on Rotational Inertia...disk rolling down incline (3 min) - Rotational Inertia notes (8 min) - Demonstration on Rotational Inertia...person spinning on disk and pulls arms in (3 min) - Rotational Inertia sheet (10 min) - spinning tire demo (10 min)
_______________________________________________________________________________________ Thursday 3/2/17 Learning Targets Students will be assessed on torque problems Students will explain rotational inertia situations Agenda - opening problem - Torque Quiz - go to Orbit PHET simulation and explore - what are three things you learned from your exploration?
Wednesday 3/1/17 Learning Targets Students will know how to solve problems involving torque Agenda - opening problem (6 min) - torque interactive (3 min) - torque relating to mousetrap cars (2 min) - Balanced Torque Problem and uneven see-saw problems on mini whiteboards (10 min) - Torque Practice Quiz (25 min)
Tuesday 2/28/17 Learning Targets Students will solve problems involving toque Agenda - opening problem (8 min) - balancing act activity on chromebooks ... what do you notice? (8 min) - torque interactive on projector ... discuss as a class (5 min) - balancing meter stick with only one weight...how does this relate to torque? (5 min) - torque equilibrium drawbridge example...cable is not perpendicular to bridge (4 min) - Balanced Torque Problems (10 min)