Two-point discrimination
In this activity, students explore how the receptors responsible for the sensation of light touch are distributed over the body.
By the end of this activity, students should be able to:
explain what a touch receptor is and name at least 2 examples
explain the term two-point discrimination
recall areas on the body where there are large and small numbers of touch receptors, explaining why the body is structured in this way.
Download the Word file (see link below) for:
introduction/background notes
what you need
what to do
student worksheet.
Nature of Science
Scientific investigations often involve the collection of evidence or data and the application of reasoning or imagination when formulating a hypothesis or devising an explanation to make sense of collected data.
Related content
Discover more about the structure and function of touch whilst also exploring some of the key science ideas and concepts.
Activity idea
In the Mystery box activity students use only their sense of touch to put sandpaper samples in order from finest grade to coarsest grade.