Name
Electric current
Topic
Physics
Learning time
1 hour
Designed time
8 hours
Size of class
25
Description
Definition of electric current and its SI units . Hydraulic analogy . Aimed at a fifth class of "Liceo Scientifico"
Aims
Understand the meaning of an electric current. Sources of currents, electric reistance and voltage.
Outcomes
Knowledge, Comprehension, Application, Synthesis
Editor
Mixtli
Edit
Introduction: What is an electric current? Introduction to the proper lexis
60 minutes)
  • Read Watch Listen
    10
    25
    0
    Read The students receive a list of English words which will be indispensable to the understanding of the topic. They read the list
  • Practice
    20
    25
    1
    On vocabulary.com they look for the meaning of each term. See attached list -
  • Produce
    20
    25
    0
    The student discuss the meaning of each term with the teacher, who explains the word they potentlally find unclear and they use them in the most common expressions.
  • Discuss
    10
    25
    0
    Discussion on what the students already know or presume to know about electricity
Notes:
Multimedial lab
Resources linked: 0
The electric direct current and Ohm's laws : lectures ( 2 units)
120 minutes)
  • Read Watch Listen
    20
    25
    1
    The students watch a video and answer some multiple choice questions
  • Discuss
    20
    25
    0
    The teacher checks the students' answers and invites them to look for the meaning of the still unknown terms on vocabulary.com
  • Read Watch Listen
    30
    25
    0
    Teacher's lecture with slides on the electric current, its hydraulic analogy, Ohm's laws and the dependency of resistivity on temperature.
  • Practice
    50
    0
    Students get into small groups of 3-4 persons. Verification of Ohm's first law in the Physics laboratory
Notes:
Activitiy takes place in the multimedia laboratory
Resources linked: 0
The electric current in electrolytes in semiconductors
60 minutes)
  • Read Watch Listen
    10
    25
    2
    The students watch videos on the topic
  • Read Watch Listen
    20
    25
    0
    The teacher asks questions and resumes the discussions
  • Collaborate
    30
    0
    Students get into gropus on 3-4 persons each and study the importance of semiconductors in electronics . The teacher provides them with authentic material
Notes:
Resources linked: 0
The electric current in gases
60 minutes)
  • Read Watch Listen
    10
    25
    2
    The students watch video on the topic
  • Discuss
    20
    25
    0
    The teacher leads the discussion over the topic and its implications in everyday life.
  • Investigate
    30
    0
    Reading comprehension from an authentic text with related exercises
Notes:
Activity takes place in the classroom
Resources linked: 0
The effects of electric current
60 minutes)
  • Read Watch Listen
    20
    25
    3
    The students watch videos about the main collateral effect of an electric current: the Joule heating, the magnetic effect
  • Collaborate
    30
    25
    0
    Research challenge: Students get into groups and use the internet to find information about the following applications: light bulbs, electric heaters,
  • Produce
    10
    0
    The students, divided in groups of 3-4 persons, write a brief summary of the collateral effects and their applications
Notes:
Activitiy takes place in the multimedia laboratory
Resources linked: 0
Direct versus alternating current
60 minutes)
  • Read Watch Listen
    20
    25
    2
    The students are shown videos about alternating current
  • Investigate
    20
    25
    0
    The student are invited to find the main differences between the currents and to list their advantages/ disadvantages
  • Collaborate
    20
    25
    0
    Research challenge: Students get into groups and use the internet to find information about the scientists who studied the alernating current and contributed to its diffusion
  • Read Watch Listen
    25
    1
    Conversion from AC to DC, the wikipedia page on this topic is available for individual study
Notes:
Resources linked: 0
Final test
60 minutes)
  • Produce
    60
    25
    2
    Final test. The students are asked to answer some multiple choice questions concerning the topics and/or three open questions in 10 lines the assessment grid is enclosed
Notes:
Resources linked: 0

Learning Experience

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