Give the formula for calculating power in Physics: Y8 – TERM 3 REVISION Describe the difference between heat and temperature: Explain how conduction transfers energy from one place to another: Give the formula for calculating specific heat capacity in Physics: Describe and explain factors which affect the rate of evaporation: What is meant by the term „absolute zero“? Convert: 67 ⁰C to Kelvin: 278 K to Celsius: 683 ⁰C to Kelvin: 168 K to Celsius Explain how evaporation causes a cooling effect: Give the formula for calculating pressure in Physics:

A spinning bicycle wheel needs to be brought to a stop by a rubber brake block. Assuming the wheel has 500 J of kinetic energy that is all absorbed by the brake and that the mass of the block is 25 g, how much will the temperature of the block rise by in °C? SHC Rubber; 2000 J/kg °C Explain what thermal radiation is: Draw a Sankey diagram for a light bulb: Explain why conduction and convection cannot occur in a vacuum: Explain how the type of surface affects the amount of energy given out by thermal radiation: Explain what is meant by an „anomalous“ result: A box weighing 15 N is placed on a table. The surface area in contact with the table is 2.5 m2. Calculate the pressure: Explain how convection transfers energy from one place to another: