Chemical Sciences

Natural & Processed Materials

Students sort real specimens by origin, process gelatine into bioplastic, test elasticity and shape memory in nitinol wire, and examine absorbency under digital microscopes.

Students taking part in the Natural & Processed Materials incursion
Year levels

Year 3–4

Duration

90 min

Group size

up to 30 students

Cost

$490 + GST

What students will do

Working as a group, students classify a tub of real specimens into an animal/plant/mineral matrix, sorting raw materials from their processed equivalents. They then process gelatine powder into a flexible plastic using hot water poured by the facilitator. Rotating stations let students compare materials for flexibility, elasticity and hardness using metal pipe, wire, eraser, rubber and plastic samples; test 'happy and sad' balls that behave oppositely under impact; and use tongs to bend nitinol wire, watching it return to its programmed shape in warm water. An absorbency station with a dropper bottle and digital microscopes compares cotton, sponge, microfibre, Gore-Tex, paper and plastic at magnification. A ferrofluid demonstration closes the session.

Curriculum outcomes

Victorian Curriculum v2.0 content descriptions addressed in this session.

  • VC2S4U05

    Classify materials by origin — animal, plant or mineral — and describe how processing changes their physical properties and possible uses

  • VC2S4U05

    Test physical properties including elasticity, malleability and absorbency across a range of natural and processed materials

  • Link material properties to appropriate uses and consider the environmental and social implications of material choices

Bring Natural & Processed Materials to your school

Tell us your year levels and preferred dates. We'll confirm availability and bring everything with us.

Limited dates each term — one facilitator, one school per day.