To complete your wool science badge to following tasks have to be completed
2. Make a collection of wool samples. Label each sample and mount them.
4. Take 100 staples from a fleece, measure their length with a ruler and plot a bar graph of the results
6. Design and carry out an experiment to show that wool can hold up to 30% of its weight as water, yet not feel wet. Discuss the importance of this property.
8. What happens to the fleece as the sheep ages?
10. What affect does hot water have on wool. Measure exactly 1 metre of knitted wool. Boil for 5mins and remeasure. Describe what happened.
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1. Describe 5 sheep breeds found in NZ and the particular wool each provides?
3.Use a microscope to observe the diameter, crimp and scale structure of merino, drysdale and romney wool. Draw labelled daigrams
5. Describe the structure of a wool fibre, illustrate this with a drawing. Relate this to a wools properties. (ie retain its shape, does not burn, etc)
7. Investigate how the drysdale and Coopworth sheep breeds were developed in NZ and discuss the impact of genetic engineering on the wool industry.
9. Find out what influences the quality of a sheep's fleece. Discuss. You might include a description of discolouration, tenderness, cotting etc. Mount samples to illustrate your
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