Lesson Plan: P1.3.02


LESSON PLAN
Teacher Subject Period Date Year Ability LSA/Other Support
Science

Context and
Landmark
Assessment		 P1.3.02
Landmark Assessment: Progress Observation Opportunity
Remember to have high expectations
Lesson Title: Today we are learning about
How do series and parallel circuits differ?
Remember to check for PROGRESS
Focus on Knowledge, Skills and Understanding
Success Criteria: You will show your learning by...
  1. There are two ways of joining electrical components, in series and in parallel. Some circuits include both series and parallel parts.
  2. Students should be able to explain the design and use of dc series circuits for measurement and testing purposes
  3. A charged object creates an electric field around itself.
  4. For components connected in series: ? there is the same current through each component ? the total potential difference of the power supply is shared between the components ? the total resistance of two components is the sum of the resistance of each component. Rtotal = R1 R2
  5. Students should be able to calculate the currents, potential differences and resistances in dc series circuits
  6. For components connected in parallel: ? the potential difference across each component is the same ? the total current through the whole circuit is the sum of the currents through the separate components ? the total resistance of two resistors is less than the resistance of the smallest individual resistor.
  7. When two electrically charged objects are brought close together they exert a force on each other.
  8. Students should be able to use circuit diagrams to construct and check series and parallel circuits that include a variety of common circuit components
  9. Students should be able to describe the difference between series and parallel circuits
  10. Students should be able to solve problems for circuits which include resistors in series using the concept of equivalent resistance.
  11. Students should be able to explain qualitatively why adding resistors in series increases the total resistance whilst adding resistors in parallel decreases the total resistance Students are not required to calculate the total resistance of two resistors joined in parallel.
Think about how you can match the needs of ALL students
Keywords:
  • Resistance: the degree to which a substance or device opposes the passage of an electric current, causing energy dissipation. (1)
  • Electrons: A stable subatomic particle with a negative charge. (1)
  • Circuit: A complete and closed path around which a circulating electric current can flow. (1)
  • Static: Having no motion. (1)
  • Parallel: Components connected in parallel are connected along multiple paths. (1)
  • Series: Components connected in series are connected along a single path. (1)
Links: Literacy, Numeracy, SMSC, British values
Memory Anchor:

AFL/Key Questions:
  1. Name the two different types of circuit that can be used to join electrical components together?
    There are two ways of joining electrical components, in series and in parallel. Some circuits include both series and parallel parts.
  2. What do we use dc series circuits for?
    dc series circuits are used for most electrical circuits as they need a continuous positive suppy of electricity, wecan measure the current, potential difference and resistance in a dc circuit, if a component in a dc circuit fails this acts like a switch to turn off the circuit.
  3. What is created in the area around a charged object?
    A charged object creates an electric field around itself.
  4. Describe how: a) Current b) Potential difference c) Total resistance Varies between components connected in series.
    For components connected in series: a) there is the same current through each component b) the total potential difference of the power supply is shared between the components c) The total resistance of two components is the sum of the resistance of each component. Rtotal = R1 R2
  5. What is the current if the potential difference is 12V and the resistance is 4Ohms?
    I = V/R so I = 12V /4ohms = 3A
  6. Describe how: a) current b) potential difference c) total resistance varies between components connected in parallel circuits?
    For components connected in parallel: a) the potential difference across each component is the same b) the total current through the whole circuit is the sum of the currents through the separate components c) the total resistance of two resistors is less than the resistance of the smallest individual resistor.
  7. What happens when two electically charged objects are brought close together?
    When two electrically charged objects are brought close together they exert a force on each other.
  8. In what two ways can Ohms law be applied to a circuit?
    Either to a cirucit as a whole using equivalent resistence or to an individual component.
  9. Why does adding resistors in series increase the total resistance, whilst adding resistors in parallel decreases the total resistance?
    Adding resistors in parallel to a circuit results in the equivalent resistance of the circuit decreasing and the total current of the circuit increasing. Adding more resistors in parallel is equivalent to providing more branches through which charge can flow.
Identify questions for high, middle, low and identify questioning techniques- Challenge questions

Learning Phases/Episodes
Think about how you can match the needs of ALL students
Differentiation: AGT, SEND, LLL, Disadvantaged
Remember to check for PROGRESS
Starter Activity Differentiation and Challenge question/task
  • Students to copy and complete the keywords.
  • Teacher reveals missing letters; Students correct mistakes;
  • Discuss the scientific meanings of the words.
  • Students to write down the definitions of the most important / new keywords.
  • Discuss the 'Memory Anchor'.
    • What does it show?
    • How does it relate to the what we are learning about today (title)?
Think about PACE – Develop, consolidate and deepen knowledge, skills and understanding
Teacher or Student lead? Differentiation and Challenge question/task
Progress Check Extension
Remember to give time to apply knowledge, skills and understanding
Teacher or Student lead? Differentiation and Challenge question/task
Progress Check Extension

Teacher or Student lead? Differentiation and Challenge question/task
Progress Check Extension

Teacher or Student lead? Differentiation and Challenge question/task
Progress Check Extension


Plenary Differentiation and Challenge question/task
  • Students to answer the 'Key Questions' with learning partners.
Progress Check
  • Teacher to reveal and discuss the answers to the questions.
 Extension
  • What have learnt about the 'Big Ideas' today?

Homework Differentiation and Challenge question/task