Does salt water conduct?

Does salt water conduct?
Publication Date: January, 2009
Type of Resource: Practical activity/investigation

This online resource gives details for a practical activity where students build a saltwater circuit; an electrical circuit that uses salt water as part of the circuit.

Students can investigate the conductivity of salt water, and develop an understanding of how the amount of salt in a solution impacts on how much electrical current flows through the circuit.

They can also learn about one real-world application of a saltwater circuit—a desalination plant.

Australian Curriculum:
  • Year 6 > Science Inquiry Skills > Processing and analysing data and information > Compare data with predictions and use as evidence in developing explanations > ACSIS221
  • Year 6 > Science Inquiry Skills > Questioning and Predicting > With guidance, pose clarifying questions and make predictions about scientific... > ACSIS232
  • Year 6 > Science Understanding > Physical Sciences > Electrical energy can be transferred and transformed in electrical circuits and... > ACSSU097
  • Year 6 > Science as a Human Endeavour > Use and influence of science > Scientific knowledge is used to solve problems and inform personal and... > ACSHE220