One Line, Seven Hundred Miles: teacher key
How Pencils Are Made, grade 5 edition, written for 5th grade. A pencil line is thinner than you think, and the black part has never been lead.
Read the book. Print this page for the key.
Questions and answers
- Who mixed graphite with clay and baked it in the 1790s?
- Conté (answer)
- Staedtler
- A Greek writer
- What does the word pencil come from?
- A Greek word for write
- A Latin word for a small brush (answer)
- A French word for clay
- What are graphite and diamond both made of?
- Lead
- Wax
- Carbon (answer)
- Why would a 2B pencil leave a darker line than a harder one?
- It has more graphite and less clay (answer)
- It has more wood
- It is yellow
- What does the word slat mean in this book?
- A thin board (answer)
- A paint
- A kind of lead
Words
- graphite: soft carbon form
- carbon: a common element
- kiln: baking oven
- slat: thin board