Pencil Sub topic Pencil Reasons Because its convenient
Pencil
Sub topic: Pencil Reason(s) : Because it’s convenient to use and bring Design Brief Purpose(s) of the design:To write, To draw Specification User : Students Function of the artefact : The pencil is sharpen-able Artefacts : it looks like a wooden stick Materials : wood, rubber Others : Nothing
Data Collection (Significant data of the product) 1. A pencil is an implement for writing or drawing, constructed of a narrow, solid pigment core in a protective casing that prevents the core from being broken and/or making the user’s hand. 2. Pencil create marks by physical abrasion, leaving a trail of solid ore material that adheres to a sheet of papers or other surface. They are distinct from pens, which depense liquid or gel ink onto the marked surface. 3. Most pencil cores are made of graphite powder mixed with a clay binder. 4. Graphite pencils (traditionally known as ‘lead pencils’) produce grey or black marks that are easily erased, but otherwise resistant to moisture, most chemicals, ultraviolet radiation and natural aging.
Sub-topic : Pencil Strengths ❏ It is cheap ❏ It is easy to use ❏ It is convenient ❏ It is light ❏ It has a lot of other uses eg. writing, drawing Weaknesses ❏ The lead can break easily ❏ Can hurt your finger ❏ The pencil is not hard ❏ It waste wood ❏ The lead can make your hands dirty Overall Evaluation There are many strengths and weaknesses but overall i think the pencil is really useful. In many different kinds of way.
Sub-topic: Pencil Existing Weaknesses ❏ Uncomfortable to hold for too long ❏ Not environmentally friendly Ways to improve ❏ Use soft foam pencil grip to make the pencil more comfortable to hold and have better grip. ❏ Use recyclable materials to make a pencil instead of woods.
My reflection Our group worked really hard for this project learning and we found many ways to improve a pencil with good cooperation. We also had a lot of fun while doing this. Through this study, i have learn We have learned the advantage and disadvantage of using a pencil and how to improve it in many ways.
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