Many everyday items, from home appliances to building materials and hydraulic lines, contain small cylindrical metal parts ...

Her name is Bethann Merkle and as you begin your consideration of drawing as a tool to facilitate your students' learning, we suggest reading her article Drawn to Science. Most recently, Bethann, ...

Heat energy is conducted from the hot end of an ... aluminium and copper), wax, drawing pins and a Bunsen burner. Fix the drawing pin to the end of the metal strip using drops of wax.