This website provides a full lesson plan for exploring reversible and irreversible changes.

This website provides a full lesson plan for exploring reversible and irreversible changes.
This online resource deals with thermal insulation.
The resource is a sample assessment from the QCAA that studies the insulating properties of different materials.
This video looks at non-reversible changes to matter.
The resource is a TED Ed video (4:29) that examines the many reactions that occur in the simple act of making cookies.
This video demonstrates the production and uses of CO2.