Electricity

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ಕನ್ನಡದಲ್ಲಿ ನೋಡಿ

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Additional information

Useful websites

  1. Electricity Wikipedia
  2. What is electricity?
  3. Electricity: Khan Academy
  4. Simple Explanation of electricity

Multimedia

  • Electricity

  • Current and Circuits

  • Simulation of electricity

  • What is electricity

  • Working of an electric fuse - By Agastya International Foundation

Reference Books

Teaching Outlines

Concept #

Learning objectives

  1. Distinguish between static electric current
  2. Give reasons for considering electricity as the most convenient form of energy
  3. Define the terms - Ampere, potential difference, volt, and resistance
  4. Identify applications of Ohm's in daily life
  5. Draw the circuit symbols showing parallel and series connection of resistances
  6. Solve numerical problems on Ohm's Law
  7. State the effects of electricity
  8. Problems or the negative aspects of electricity
  9. Identify the safety devices at home
  10. State the precautions while using eletricity

Notes for teachers

These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes. ===Activity No # ===heating effect

  • Estimated Time

30minutes

  • Materials/ Resources needed

electric source, thin copper wire, cellcap, key stop watch, thermometer, wires.

  • Prerequisites/Instructions, if any

1. Do not use A.C. current 2. make a copper spring carefully 3. use only the thin copper wire.

  • Multimedia resources
  • Website interactives/ links/ simulations
  • Process (How to do the activity)

take 20cm of thin copper wire, winding it on a pen refill, and carefully take out to make it like a spring
connect the copper spring to 3 volt electric source, record the temperatures of after 5 minutes and 10 minutes
connect the copper spring to 6 volt electric source, record the temperatures of after 5 minutes and 10 minutes
connect the copper spring to 9 volt electric source, record the temperatures of after 5 minutes and 10 minutes

  • Developmental Questions (What discussion questions)

1. what are the factors depends upon the produced heat energy 2. what happens when electric current supplied through a thick conductor For small and large amount of electricity ? 3. list the consequences of heating effect of electric current

  • Evaluation (Questions for assessment of the child)
  • Question Corner

Activity No 1

  • Estimated Time

30minutes

  • Materials/ Resources needed

electric source, thin copper wire, cellcap, key stop watch, thermometer, wires.
Science.jpg

  • Prerequisites/Instructions, if any

1. Do not use A.C. current

HEATING-EFFECT-OF-CURRENT.jpg

2. make a copper spring carefully 3. use only the thin copper wire.

  • Multimedia resources
  • Website interactives/ links/ simulations
  • Process (How to do the activity)

take 20cm of thin copper wire, winding it on a pen refill, and carefully take out to make it like a spring
connect the copper spring to 3 volt electric source, record the temperatures of after 5 minutes and 10 minutes
connect the copper spring to 6 volt electric source, record the temperatures of after 5 minutes and 10 minutes
connect the copper spring to 9 volt electric source, record the temperatures of after 5 minutes and 10 minutes

  • Developmental Questions (What discussion questions)
  1. what are the factors depends upon the produced heat energy
  2. what happens when electric current supplied through a thick conductor For small and large amount of electricity ?
  3. list the consequences of heating effect of electric current
  • Evaluation (Questions for assessment of the child)
  • Question Corner'

Concept #

Learning objectives

Notes for teachers

These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.

Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Website interactives/ links/ simulations
  • Process (How to do the activity)
  • Developmental Questions (What discussion questions)
  • Evaluation (Questions for assessment of the child)
  • Question Corner


Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Website interactives/ links/ simulations
  • Process (How to do the activity)
  • Developmental Questions (What discussion questions)
  • Evaluation (Questions for assessment of the child)
  • Question Corner

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