51

Last updated

11 February 2025

pptx, 478.31 KB
pptx, 478.31 KB

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This PowerPoint resource is designed for AQA GCSE Physics students and provides a comprehensive lesson on the fundamental concepts of current, charge, and electron behavior in circuits. It aligns with the AQA specification and includes practical calculations and conceptual tasks.

Key learning objectives:

  • Define electric current as the rate of flow of charge and identify its unit (amperes, A).
  • Calculate charge transferred in a circuit using the formula: Q=I×t where Q is charge (in coulombs), I is current (in amperes), and t is time (in seconds).
  • Explain current flow in terms of the movement of negatively charged electrons.

Resource features:
The lesson begins with a starter activity that asks students to answer questions such as:

  • What is current?
  • What is current measured in?
  • What are the electrical charges that make up the current called?
  • How is an ammeter connected in a circuit?

Core concepts include:
What is Current?
Defines current as the rate of flow of charge, measured in amperes (A). Students learn that negatively charged electrons flow from the negative to the positive side of a battery.

Charge and Current:
Introduces the coulomb © as the unit of electric charge and demonstrates how a current of 1A corresponds to 1C of charge passing a point in one second.

Using the Formula Q=I×t:
Worked examples guide students through calculating charge, time, or current.
Example: “A current of 5A flows through a bulb for 2 minutes. Calculate the charge transferred.”
Step-by-step calculations convert minutes to seconds and apply the formula.

Interactive tasks:
Practice questions with guided feedback and worked solutions.
Gap-fill activities to reinforce the concept of conventional current.
Real-world circuit scenarios, including problem-solving using the charge equation.

File details:
This editable ‘.pptx’ file aligns with the AQA GCSE Physics specification. Updated in February 2025, it features clear visuals, structured calculations, and interactive tasks, making it an essential resource for teaching current, charge, and circuit behavior.

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GCSE Physics Electricity Bundle: 13-Lesson Unit

This GCSE Electricity bundle provides a comprehensive and structured series of lessons designed to support students in mastering key concepts related to electrical circuits, resistance, power, and the National Grid. Covering essential theory, practical applications, and required practicals, this resource follows the GCSE Physics specification and is ideal for both classroom teaching and independent revision. What’s Included in the Bundle? This resource includes 13 fully planned PowerPoint lessons, each designed to engage students with clear explanations, worked examples, and interactive activities. Topics covered include: 1. Introduction to Electrical Circuits – Understanding circuit components, symbols, and simple circuit diagrams. 2. Current and Charge – Definition of electric current, its relationship with charge, and how it is measured. 3. Voltage and Potential Difference – Explanation of voltage (potential difference) and its effect on circuit components. 4. Voltage & Current in Series and Parallel Circuits – Key differences in current and voltage distribution in series and parallel circuits. 5. Resistance and Ohm’s Law (V = IR) – Explanation of resistance, how it affects circuits, and calculations using Ohm’s Law. 6. Required Practical: Investigating Resistance – Experimental investigation on how resistance changes with the length of a wire. 7. Component Characteristics – Understanding IV characteristics of fixed resistors, filament lamps, and diodes. 8. Required Practical: Component Characteristics – Investigating I-V graphs of different circuit components. 9. Required Practical: Resistance in Series and Parallel Circuits – Understanding how adding resistors affects total resistance in a circuit. 10. Alternating Current, Direct Current & The National Grid – Explanation of AC vs. DC, UK mains electricity, and National Grid transmission. 11. Cables and Plugs – Understanding the structure, safety features, and function of plugs and cables. 12. Electrical Power & Resistance Heating – How electrical appliances convert energy, including power calculations. 13. Efficiency and Cost of Appliances – Exploring energy efficiency, cost calculations, and real-world applications. Key Features: 1. Exam-Focused Content – Aligned with the GCSE Physics specification, ensuring curriculum coverage. 2. Interactive & Engaging – Includes starter activities, worked examples, and practice questions. 3. Clear Explanations & Visuals – Well-structured slides with circuit diagrams, formula breakdowns, and I-V graphs. 4. Practical & Required Practicals Included – Step-by-step practical investigations for resistance, component characteristics, and circuit behavior. Who is This Resource For? GCSE Physics students following the AQA specification. Teachers looking for complete, ready-to-use lessons with well-structured content and practical guidance. Tutors and independent learners seeking clear, concise, and exam-relevant resources. This bundle provides a full unit of study on electricity, helping students develop problem-solving skills, master calculations, and apply their knowledge to practical scenarios. Download now to enhance your GCSE Physics lessons with this high-quality, curriculum-aligned resource!

£12.00

Review

5

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faye_hadlington

6 months ago
5

Great resource! This will be very accessible for my students.

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