Schemes of Work
- 5P
- 5P.1
- Lesson 01 - How do we store energy in a spring? Lesson Plan Lesson Title
- W: A spring will deform (stretch or compression) until the tension balances the load placed upon it. - KS3.P.26
- Suggested Activity:
How does a spring balance (Newton Meter) work?
Why does it go to the same place on the scale each time the same force is applied?
- Suggested Activity:
- D: Make measurements of spring in compression as force is changed - KS3.P.19
- Suggested Activity:
Thread a compression spring over a weight hanger and then put weights on top.
Equipment Required:
Compression spring
Weight hanger
- Suggested Activity:
- W: When a spring (or any object) is deformed elastically it will go back to its original shape. - KS3.P.21
- T: When a spring (or any object) is deformed elastically, there is work done as kinetic energy is transformed into elastic (strain) potential energy. - KS3.P.21
- Suggested Activity:
Energy transfer diagram for stretching a Y - shaped catapult.
- Suggested Activity:
- W: The elastic (strain) potential energy can be retrieved as the object returns to it shape, normally in the form of kinetic energy. - KS3.P.21
- Suggested Activity:
Energy transfer diagram for releasing a Y - shaped catapult.
- Suggested Activity:
- When a spring (or any object) is deformed plastically it will not go back to its original shape. - KS3.P.20
- When a spring (or any object) is deformed plastically kinetic energy is used to overcome the forces between particles.
This energy ends up as thermal energy as the particles are vibrating more. - KS3.P.20 - While in the linear region of a force-extension graph, the spring is obeying Hooke's Law and the deformation is elastic.
Past the limit of proportionality, the spring does not obey Hooke's Law and is being plastically deformed. - KS3.P.20- Suggested Activity:
Show:
http://www.a-levelphysicstutor.com/matter-elasticity.php
YES THIS WAS A' LEVEL!
- Suggested Activity:
- W: A spring will deform (stretch or compression) until the tension balances the load placed upon it. - KS3.P.26
- Lesson 02 - What is a machine? Lesson Plan Lesson Title
- A machines transmits a force from one place or object to another. - KS3.P.06
- Simple machines give bigger force but at the expense of smaller movement (and vice versa) - KS3.P.06
- Simple machines include:
- Ramps
- Levers
- Pulleys
- Wedge
- Screw - KS3.P.06- Suggested Activity:
Identify common place devices as the type of simple machine.
eg. Scissors as a double level.Equipment Required:
Scissors
Claw hammer and nail
Screwdriver and paint tin
Corkscrew and bottle opener
Nut cracker
Tin opener
Door Wedge(Wood)
Ramp and wooden block
Block and tackle
- Suggested Activity:
- The product of force and displacement is work done.
Work done is also known as energy transferred.
The unit of work done is therefore Joules. - KS3.P.06 - The 'energy transferred in' is equal to the work done. - KS3.P.06
- Aim: To find out how the number of pulleys affects the force required to lift a 6N load.
Secondary Aim: To find out how the number of pulleys affects the distance moved of Effort and Load.
Tertiary Aim: To find out how the number of pulleys affects the input work done vs output work done.- Suggested Activity:
Pulleys and masses on retort stand.
Change:
- Number of pulleys
Measure:
- Input force
- (Output force)
- Distance Effort moves
- Distance Load moves
Calculate:
- Input work done
- Output work done
- Efficiency perhaps
This is best set up as a circus with different numbers of pulleys, so that the students do not have to rethread pulley systems.Equipment Required:
Pulleys and masses on retort stand.
One each of
1:1
1:2
1:3
1:4
1:5 ratios of pulleys
with 6N on the load end and Newton meter on the effort end.
- Suggested Activity:
- Use physical processes and mechanisms, and energy changes, to explain the intermediate steps that bring about changes conditions of a system - KS3.P.11
- Suggested Activity:
Use forces and force loops and energy to describe:
- Rollercoasters
- Breaking (of a car)
- Internal combustion engine
- Suggested Activity:
- A machines transmits a force from one place or object to another. - KS3.P.06
- Lesson 03 - What is a lever? Lesson Plan Lesson Title
- When a force is applied offset from a pivot, the force produces a turning effect.
This turning effect is known as a 'moment'. - KS3.P.17 - W: The size of a moment proprtional to two factors:
-the size of the force applied
-the perpendicular distance from the pivot to the line of action of the force - KS3.P.17- Suggested Activity:
Experiment with levers and pivots.
Turning effect w/s Page 1
- Suggested Activity:
- W: The size of a moment is the product of the size of the force applied and the perpendicular distance from the pivot to the line of action of the force - KS3.P.17
- Suggested Activity:
Turning effect w/s Page 2: Will the levers balance?
Equipment Required:
moments hangers
yellow masses
- Suggested Activity:
- W: The SI units of a moment are Newton Metres (Nm), although Ncm are commonly used. - KS3.P.17
- When a force is applied offset from a pivot, the force produces a turning effect.
- Lesson 04 - What is Atmospheric Pressure? Lesson Plan Lesson Title
- Pneumatic machines use gas pressure to create movement. - KS3.C.01
- Suggested Activity:
Look at steam engine pistons.
Demo with syringeEquipment Required:
Different diameter syringes connected with tube (air filled). One syringe in while the other is out.
- Suggested Activity:
- Gas pressure is caused by particles (in a gas) bouncing off a surface. - KS3.C.01
- Atmospheric pressure is caused by the weight of air above. - KS3.P.23
- Suggested Activity:
Crushing can
Equipment Required:
Pepsi can
Bowl of water
- Suggested Activity:
- Atmospheric pressure, decreases with increase of height as weight of air above decreases with height - KS3.P.23
- Suggested Activity:
Show graph:
https://www.google.co.uk/images?q=atmospheric pressure vs altitude
Write conclusion, and explain in terms particles.
- Suggested Activity:
- Pressure measured by ratio of force over area - acting normal to any surface. - KS3.P.25
- Suggested Activity:
Pupils calculate the pressure they exert on the floor.
Drawing around shoes on square paper to measure contact area.
Weighting students on newton scales.Equipment Required:
Newton calibratated weight scales
Square paper
- Suggested Activity:
- Pneumatic machines use gas pressure to create movement. - KS3.C.01
- Lesson 05 - How do Cartesian Divers work? Lesson Plan Lesson Title
- T: Hydraulic machines use liquid pressure to create movement. - KS3.P.23
- Pressure in fluids is caused by the collision of particles on the surface of an object. - KS3.P.23
- Suggested Activity:
Make Cartesian Divers
Equipment Required:
Straws
Plasticine
2l Bottles and lids
- Suggested Activity:
- D: Make a Cartesian Diver<OL>
Cut a straw 3-4 cm long
Block one end with plastince
Make a weight belt of plasticine so that the diver just float under the surface of water</OL>
Record observations for Diver.
Explain the observations. - KS3.P.23- Suggested Activity:
Observations:
When the bottle is squeezed the diver sinks.
- Suggested Activity:
- T: The magnitude of the pressure in liquids is equal to the weight of water above the object. - KS3.P.24
- W: The pressure in liquids increases with depth. - KS3.P.24
- Suggested Activity:
Draw a sketch graph of the relationship.
- Suggested Activity:
- The size of the upthrust force is equal to the weight of the water displaced by the object. - KS3.P.24
- An object will sink until enough water is displaced to produce an upthrust to balance it's weight. - KS3.P.24
- If the weight of the object is greater than the upthrust produced the object will sink. - KS3.P.24
- If the weight of the object is equal to the upthrust produced the object will float. - KS3.P.24
- The density of water is 1kg/l = 1g/ml - KS3.P.24
- Suggested Activity:
Measure a measuring cylinder of water after taring with just the cylinder on Jewelry balances.
Equipment Required:
(Jewelry) balances
- Suggested Activity:
- Objects which are less dense than water will displace a greater weight of water than they have. Therefore they will float. - KS3.P.24
- Suggested Activity:
Sample calculations.
- Suggested Activity:
- Objects which are more dense than water will displace a smaller weight of water than they have. Therefore they will sink. - KS3.P.24
- Suggested Activity:
Sample calculations.
Predict if objects will float given weights and volumes.
How much of an object will be submerged.
- Suggested Activity:
- T: Hydraulic machines use liquid pressure to create movement. - KS3.P.23
- Lesson 01 - How do we store energy in a spring? Lesson Plan Lesson Title
- 5P.2
- Lesson 06 - Skill focus: Planning and Data Collection Lesson Plan Lesson Title
- PLANNING & DATA COLLECTION
Aim: To find out how the load in a boat affects the boat's draft (amount of boat under water).- Suggested Activity:
Plastic beaker inside glass beakers.
Equipment Required:
250 ml beakers
galley pots
10g masses
rulers
- Suggested Activity:
- PLANNING & DATA COLLECTION
- Lesson 07 - Skill focus: Conclusions and Evaluations Lesson Plan Lesson Title
- CONCLUSIONS and EVALUATION:
Aim: To find out how the load in a boat affects the boat's draft (amount of boat under water).- Suggested Activity:
Gradient of line should relate to the diameter of the boat beaker.
- Suggested Activity:
- CONCLUSIONS and EVALUATION:
- Lesson 06 - Skill focus: Planning and Data Collection Lesson Plan Lesson Title
- 5P.3
- Lesson 08 - Halfway Review Lesson Plan Lesson Title
- Review of 5P.1 - KS3.P.03
- Suggested Activity:
https://www.mrcorfe.com/Hamble/Questions/5P.1
Equipment Required:
x
- Suggested Activity:
- Review of 5P.1 - KS3.P.03
- Lesson 08 - Halfway Review Lesson Plan Lesson Title
- 5P.4
- Lesson 09 - How do we power our homes? Lesson Plan Lesson Title
- Most homes are heated with natural gas. This is piped to most homes through a national grid, although Rural homes may have a gas tank. - KS3.P.05
- T: Non-Renewable Energy Resources include:
- Coal
- Oil
- Gas
- Nuclear - KS3.P.05 - Homes used to be powered by oil. Some homes are still are. There is no national oil pipe network. - KS3.P.05
- Most of the other appliances in the home are powered by electricity. - KS3.P.05
- Electricity is generated in Power Stations which harness an 'Energy Resource'. - KS3.P.05
- T: Renewable Energy Resources include:
- Wind
- Wave
- Hydro
- Tidal
- Solar
- Biomass
- Geothermal - KS3.P.05 - W: Most thermal power stations convert Chemical (or Nuclear) Energy into thermal by burning and then into Electrical Energy
(Intermediate steps optional). - KS3.P.05- Suggested Activity:
Draw an Energy Transfer Diagram for a thermal power station.
Steam engine attached to SEP demo board.
- Suggested Activity:
- W: Most non-thermal power stations convert Kinetic Energy into Electrical Energy
(Intermediate steps optional). - KS3.P.05- Suggested Activity:
Draw an Energy Transfer Diagram for a non-thermal power station.
- Suggested Activity:
- W: Solar power stations convert Light Energy into Electrical Energy directly. - KS3.P.05
- Suggested Activity:
SEP demo board & lamp.
Equipment Required:
SEP demo board & lamp.
(Energy transfer kit)
Steam engine
- Suggested Activity:
- Most homes are heated with natural gas. This is piped to most homes through a national grid, although Rural homes may have a gas tank. - KS3.P.05
- Lesson 10 - How much does the energy we use cost? Lesson Plan Lesson Title
- D: Comparing power ratings of domestic appliances in watts (W, kW) - KS3.P.02
- Suggested Activity:
Can we see any patterns in the data in the memory anchor?
Sort into categories based on power rating or use.
Excel file to sort on power rating.
- Suggested Activity:
- W: Heating appliances use a lot of energy. - KS3.P.02
- W: The amount of energy transferred by an appliance depends on the power rating of the appliance and the duration. - KS3.P.03
- W: Energy = power x time - KS3.P.03
- Suggested Activity:
Combine and convert proportionalities to an equality.
- Suggested Activity:
- D: Sample calculations to include: J, kJ, kWhour units. - KS3.P.03
- Suggested Activity:
Cost of energy worksheet
- Suggested Activity:
- T: A unit of electrical energy is the same as a kilowatt hour (kWh). - KS3.P.04
- T: The amount of electrical energy used by a customer is measured by an electrical meter. - KS3.P.04
- Suggested Activity:
Meter readings
Equipment Required:
Energy meters
Examples of electrical items
hairdryers, cd player, toaster, kettles etc
- Suggested Activity:
- W: The cost of electricity is equal to number of units x cost per unit. - KS3.P.04
- T: The cost of an electrical unit is around 15p.
The cost of Gas is around 4p per kWh, which is why it is preferred for heating applications. - KS3.P.04- Suggested Activity:
https://www.confusedaboutenergy.co.uk/index.php/domestic-fuels/fuel-prices
- Suggested Activity:
- D: Comparing power ratings of domestic appliances in watts (W, kW) - KS3.P.02
- Lesson 09 - How do we power our homes? Lesson Plan Lesson Title
- 5P.5
- Lesson 11 - Assessment Lesson Plan Lesson Title
- Progress Observation Opportunity
- Progress Observation Opportunity
- Lesson 12 - Reflection Lesson Plan Lesson Title
- Reflection
- Reflection
- Lesson 11 - Assessment Lesson Plan Lesson Title
- 5P.1