Building a Simple Ammeter

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Learning Outcomes

By the end of this activity, learners will:
  • Compare the different currents (1.5 volt – AA, and 9 volt battery) and the strength of the magnetic field
  • Understand the correlation between the electrical current, magnetic fields and the direction of the compass needle
  • Identify when the ammeter is used in the home
  • Understand what happens when the connections are reversed between the ammeter and the battery

Curriculum Connections

  • Grades 5 - 8
  • Click here for a detailed description of the curriculum connections 

Length of Activity

1.5 hours

Materials List

  • Internet-enabled device
  • Building a Simple Ammeter Learner Worksheet
  • 2 metres of enamelled magnet wire (22 gage to 28 gage)
  • Scissors
  • Tape
  • Orienteering compass (with clear rectangular base)
  • 1.5 volt (AA) battery
  • 9 volt battery

Online Lesson Format