1. Specific Heat Capacity

2. Lesson Objectives To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature

3. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature On a hot summers day a block of metal and a black of concrete were left out in the Sun. If both blocks have the same mass, which one will get hotter quicker – why?

4. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature On a hot summers day a block of metal and a black of concrete were left out in the Sun. If both blocks have the same mass, which one will get hotter quicker – why? The metal block as metal conducts thermal energy better. What would affect how quickly the block heats up?

5. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature What would affect how quickly the block heats up? What substance it is made from The mass of the substance The amount of energy supplied to it.

6. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature Complete the following: -Temperature is measured in ……. -Temperature is measured using ……. -Energy is measured in ……. -Energy is measured using a ……

7. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature Complete the following: -Temperature is measured in Degrees Celcius (C) -Temperature is measured using thermometer -Energy is measured in Joules (J). -Energy is measured using a Joulemeter.

8. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature When water was heated, the following results were achieved: TestMass of water (g) Energy Supplied (J) Change in Temperature (C) 110016004 220032004

9. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature More accurate measurements would have shown: 4200J of energy is needed to increase 1kg of water by 1 0 C.

10. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature 4200J of energy is needed to increase 1kg of water by 1 0 C This is known as the Specific Heat Capacity of Water

11. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature Specific Heat Capacity Is the energy needed for 1kg of a substance to raise its temperature by 1 0 C

12. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ E = Energy transferred (Joules, J) m = mass (kilograms, kg) c = Specific heat capactity (Joules per kilogram per 0 C) Θ = temperature change ( 0 C)

13. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ How much energy is needed to heat 5kg of water from 20 0 C to 60 0 C?

14. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ How much energy is needed to heat 5kg of water from 20 0 C to 60 0 C? 840,000 J (840 kJ)

15. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ Aluminium with a mass of 1kg is heated from 14 0 C to 22 0 C. This change in temperature uses 7200J. What is the specific heat capacity of aluminium?

16. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature E = m x c x Θ Aluminium with a mass of 1kg is heated from 14 0 C to 22 0 C. This change in temperature uses 7200J. What is the specific heat capacity of aluminium? E 7200 m x Θ 1 x 8 = 900J/kg 0 C

17. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature Storage Heater This is a device that uses electricity at night (off peak) to heat special bricks in the heater. Energy transfers from the bricks keep the room warm. The bricks have a high specific heat capacity. They warm up slowly when heated, but as cool down slowly when the heater is off. This is one way to be more cost effective.

18. Are you now able to…. I still feel unsure. I need some more help to understand. I feel ok. I need to do some more work to check my understanding. I am happy and feel I understand and can explain the main points. To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know how mass of a substance affects how quickly its temperature changes when it is heated. Grade C To know what affects how quickly the temperature of a substance changes when heated. Grade B To know what affects how quickly the temperature of a substance changes when heated. Grade B To explain how storage heaters work. Grade A To explain how storage heaters work. Grade A Keywords: Specific heat capacity; Mass; Storage Heater; Temperature