Some students think that gases are not matter because they are invisible

Properties of Matter


Diagnostic Resources

The following worksheets may help to identify whether students hold this particular misconception.

For more information, see the University of York BEST website.


  • Stavy. R., () Children's concept of changes in the state of Matter: from liquid (or solid) to gas, Journal of Research in Science Teaching, 27 (3) 247-266.

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