
Pencils-the environmental impact
Quiz by Valeria
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11 questions
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- Q1What is the typical shape of a well-designed pencil?TriangularSquareHexagonalCircular30s
- Q2What are the primary components of a pencil?Graphite, metal, and plasticGraphite, clay, and woodPlastic, clay, and woodGraphite, rubber, and metal30s
- Q3Where is the highest quality graphite known as vein graphite sourced from?Russia and ChinaBrazil and CanadaSri Lanka and MadagascarIndia and Nepal30s
- Q4Which type of wood is most commonly used in pencil construction?California CedarOakPineBirch30s
- Q5What determines the hardness of a pencil's lead?The shape of the pencilThe type of wood usedThe color of the eraserThe ratio of graphite to clay30s
- Q6Who is credited with the discovery of mixing graphite with clay for pencil production?Hyman W. LippmanThomas EdisonNicholas Jacques ConteHenry Ford30s
- Q7What is the purpose of the hydraulic press in pencil manufacturing?To lacquer the pencilsTo shape the eraserTo cut the pencil into sizeTo bond the slats and graphite together30s
- Q8What coating is applied to pencils to improve their durability?Plastic wrapPaintLacquer or enamelRubber30s
- Q9What material are most erasers made from?Natural rubberFoamPlasticSynthetic rubber30s
- Q10Who patented the idea of attaching an eraser to a pencil?Thomas EdisonElias HoweHyman W. LippmanNikola Tesla30s
- Q11
Why is the benefit of pencils being hexagonal?
Being hexagonal makes them good for math.
Being hexagonal prevents it from rolling away easily.
Being hexagonal makes them aesthetic.
30s