Our Latest News

New picnic facilities for Penny's Lagoon

08/08/2018

The Parks and Wildlife Service has completed the construction of a new picnic shelter at Penny's Lagoon within the Lavinia State Reserve on King Island.
More

Celebrating World Ranger Day

31/07/2018

The work of Tasmania's rangers is vital in the daily management of our 19 national parks and more than 800 reserves, encompassing approximately 50 per cent of the State.
More

Southwest ecological burns important for orange-bellied parrot conservation

22/03/2018

Planned ecological burns in Southwest National Park will help regenerate important habitat areas for the critically endangered orange-bellied parrot.More

Activity Teacher Notes 2.5

2.5 Is it warm enough? - Testing the warmth of fabrics


Levels: P, S, SS
Focus curriculum areas: Health and well-being
Supporting curriculum area: Science
Key concepts: Insulation, experience

2-5fabric.flv

Click on the movie above to view [1.2 MB]

Understanding goals

Students cooperate in groups to test the warmth of fabrics. They compare and contrast the insulation properties of various fabrics.

You Will Need

  • fan
  • bucket of water
  • ice cubes
  • synthetic tops
  • woollen jumpers
  • cotton tops
  • thermal tops
  • and/or fabric samples

Activities

woolclothing and a backpack

1. a. Wrap your fist and lower arm in one of the tops. Hold it in front of a fan set on cool. Note how your hand feels. Does it feel insulated? Rate how warm your hand feels on a scale of 1–5. (Only the first students will be able to do this part.)

b. Dip your hand, wrapped in the top, in the bucket of icy water. Rate how warm your hand feels on a scale of 1–5.

c. Hold your hand in front of a cool fan. Rate how warm your hand feels on a scale of 1–5.

d. Repeat with the other fabrics.

e. What did you notice? Which fabrics were warmer?

2. Write a scientific report on this experiment. Include your aim, materials, method, results and conclusions.

3.a) Imagine you may be caught out in the rain on a cold day – what clothes would it be best to wear? List each item from head to toe, and the reason why you chose each of them.

b). Compare your list with other students in the class and discuss.

4. List other important things you need to take when you go walking in the bush.

Going further

Design a practical exercise to investigate the waterproof properties of various fabrics.

Design a practical exercise to investigate the insulation properties of various building materials.

To learn about what clothes to take, see planning your walk.

Related activity

2.4 Staying alive