Reversible and irreversible change

Plasticine investigators CLE - Year 1

This online resource is an ASSIST Connected Learning Experience (CLE) to help teach Year 1 students about the concepts of physical change.

Description: In these investigations, the physical changes made to plasticine when it is manipulated in different ways, including the softening of the material by warming, are investigated.

Learning intentions

Students will be able to:

Change Detectives - PrimaryConnections

This online resource investigates physical and chemical changes.

The resource is an inquiry-based teaching unit that provides advice and outlines tasks and activities that are intended to engage students when exploring reversibile and irreversibile changes through melting, evaporating, dissolving and burning experiences.

It includes 7 lesson plans, teacher background information and student worksheets that support its implementation.

TED Ed - The chemistry of cookies

This online resource 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.

The video covers topics such as emulsions, caramelisation, how egg protein changes when cooked, and even salmonella.

Whilst watching, students could identify the different physical and chemical reactions that occur when baking cookies.

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