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GCSE AQA Physics: Energy Changes in Systems Paper 1

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Zuzy

26/10/2022

Physics

Energy Changes in Systems AQA Paper 1

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GCSE AQA Physics: Energy Changes in Systems Paper 1

Energy Changes in Systems is a fundamental topic in GCSE AQA Physics that explores thermal energy calculations and specific heat capacity experiments.

• The concept focuses on calculating energy changes in systems through temperature variations
• Specific heat capacity is a crucial measurement showing energy needed to change 1kg of material by 1°C
• The metal block experiment demonstrates practical application of specific heat capacity calculations
• Understanding includes both theoretical calculations and hands-on experimental procedures
• Key formula E = mcΔθ is essential for energy changes in systems gcse physics

...

26/10/2022

587

<p>You can calculate the amount of energy stored or released from a system as its temperature changes. To do this, you need to know the spe

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Metal Block Experiment Procedure

This section details the practical investigation of specific heat capacity of a metal block through a controlled experiment. The procedure demonstrates how to measure specific heat capacity in a laboratory setting.

Vocabulary: Immersion heater - An electrical device used to heat materials directly through thermal contact.

Example: The experimental setup requires:

  • 1kg metal block
  • Thermometer
  • Power supply
  • 60W immersion heater
  • Insulation materials
  • Oil for thermal contact

Highlight: The experimental procedure involves:

  1. Setting up the apparatus safely
  2. Inserting the heater and thermometer
  3. Adding oil for better thermal contact
  4. Insulating the block
  5. Recording temperature changes over 10 minutes
  6. Calculating the total temperature rise

Definition: The specific heat capacity practical demonstrates how thermal energy transfer affects temperature change in a controlled environment.

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Subjects

Physics

Energy

Heating & cooling

Insulation

 

Physics

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587

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26 Oct 2022

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2 pages

GCSE AQA Physics: Energy Changes in Systems Paper 1

user profile picture

Zuzy

@itszuzyy

Energy Changes in Systems is a fundamental topic in GCSE AQA Physics that explores thermal energy calculations and specific heat capacity experiments.

• The concept focuses on calculating energy changes in systems through temperature variations
• Specific heat capacityis... Show more

<p>You can calculate the amount of energy stored or released from a system as its temperature changes. To do this, you need to know the spe

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Metal Block Experiment Procedure

This section details the practical investigation of specific heat capacity of a metal block through a controlled experiment. The procedure demonstrates how to measure specific heat capacity in a laboratory setting.

Vocabulary: Immersion heater - An electrical device used to heat materials directly through thermal contact.

Example: The experimental setup requires:

  • 1kg metal block
  • Thermometer
  • Power supply
  • 60W immersion heater
  • Insulation materials
  • Oil for thermal contact

Highlight: The experimental procedure involves:

  1. Setting up the apparatus safely
  2. Inserting the heater and thermometer
  3. Adding oil for better thermal contact
  4. Insulating the block
  5. Recording temperature changes over 10 minutes
  6. Calculating the total temperature rise

Definition: The specific heat capacity practical demonstrates how thermal energy transfer affects temperature change in a controlled environment.

<p>You can calculate the amount of energy stored or released from a system as its temperature changes. To do this, you need to know the spe

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Understanding Thermal Energy and Specific Heat Capacity

This section introduces the fundamental concepts of energy changes in systems and specific heat capacity calculations. The mathematical relationship between thermal energy, mass, and temperature change is explained through the equation E = mcΔθ.

Definition: Specific heat capacity is the amount of thermal energy required to change the temperature of 1 kg of a material by 1°C.

Example: Different materials have varying specific heat capacities:

  • Air: 1005 J/kg°C
  • Water: 4200 J/kg°C
  • Aluminium: 900 J/kg°C
  • Concrete: 880 J/kg°C

Highlight: The equation E = mcΔθ is essential for calculating thermal energy changes, where:

  • E = change in thermal energy JoulesJoules
  • m = mass kgkg
  • c = specific heat capacity J/kg°CJ/kg°C
  • Δθ = change in temperature °C°C

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