The changes A system is an object or Presenting and writing descriptions Obtaining and presenting Energy: 4.1.1.1 2 involved in the group of objects. and explanations: primary evidence: way energy is Describe, for common Ask students to explore questions Investigation using simple stored when a situations, the changes such as: machines around a system changes. involved in the way energy classroom/laboratory to look Why do the wheels of a bike get Calculations to is stored when a system at changes in energy stores. very hot when braking hard? GCSE include work done changes. For example: Which type of car is more Compare three of the Boardworks – by forces and an object projected efficient petrol or electric? machines investigated Work and Power – when a current upwards How is the gravitational showing their similarities and Section flows. a moving object hitting potential energy store of an differences. Present the Mini White Boards an obstacle object increased? findings to the group. The equations are based on an object accelerated Why does a flow of electrons covered in detail in Discuss energy wasted by teacher’s own by a constant force along a wire allow bulbs to light sections 4.2.4, the machines and ways to questions or a vehicle slowing down and motors to spin? and 4.5.2. reduce it. Boardworks an electric kettle boiling Describe the changes involved in activities. Equations for work water. Why does increasing the the way energy is stored in simple done by a force spring constant make a Calculate how energy is systems. Examples could include: and work done spring more difficult to redistributed in a system when a charge vehicle braking systems (such stretch? Why does doubling (animations) when it changes. moves through a as bike brakes) the speed of a vehicle more Kinetic energy: potential a ball being thrown upwards than double the braking difference should Work is done when charge distance? be known. flows in a circuit. Obtaining and presenting primary evidence: Presenting and writing descriptions and explanations: Plan and carry out an investigation to find the amount of energy transferred
4.1.1.1 The changes involved in the way energy is stored when a system changes. Calculations to include work done by forces and when a current flows. The equations are covered in detail in sections 4.2.4, and 4.5.2. Equations for work done by a force and work done when a charge moves through a potential difference should be known. A system is an object or group of objects. Describe, for common situations, the changes involved in the way energy is stored when a system changes. For example: an object projected upwards a moving object hitting an obstacle an object accelerated by a constant force a vehicle slowing down an electric kettle boiling water. Calculate how energy is redistributed in a system when it changes. Work is done when charge flows in a circuit. 2 Presenting and writing descriptions and explanations: Ask students to explore questions such as: Why do the wheels of a bike get very hot when braking hard? Which type of car is more efficient – petrol or electric? How is the gravitational potential energy store of an object increased? Why does a flow of electrons along a wire allow bulbs to light and motors to spin? Describe the changes involved in the way energy is stored in simple systems. Examples could include: vehicle braking systems (such as bike brakes) a ball being thrown upwards Presenting and writing descriptions and explanations: Obtaining and presenting primary evidence: Investigation using simple machines around a classroom/laboratory to look at changes in energy stores. Compare three of the machines investigated showing their similarities and differences. Present the findings to the group. Discuss energy wasted by the machines and ways to reduce it. Why does increasing the spring constant make a spring more difficult to stretch? Why does doubling the speed of a vehicle more than double the braking distance? Obtaining and presenting primary evidence: Plan and carry out an investigation to find the amount of energy transferred Energy: GCSE Boardworks – Work and Power Section Mini White Boards based on teacher’s own questions or Boardworks activities. (animations) Kinetic energy:
AQA-8463-SOW-ENERGY.DOCX