Lesson 6

• Middle ages - Medieval times - dark times
• 500 - 1500 A.D - Anno Domini
• Counterweight Trebuchet - It uses counterweight and hurling huge stones
• Long bow - It was used by the english aginst the french during the 100 years war
• Steel crossbow - It was the first hand held mechanical crossbow
• Complete full plate armor -It appeared by the end of the 14th century - the armor chain maill was made from thousand of metal rings
• The full plate metal ring armor was a long cloak called?

  Hauberk
• Heavy wheel plough - Cultivation of rich heavy often when soils
• Horse collar - more horse pulling power
• Horse shoe - For terrain mountainous lands, and for horse sole protection
• Artesian well - composed of a tin rod with a hard iron cutting edge
• Blast furnace - Cast iron
• Hourglass - Dependable, accurate measure of time
• Vertical windmill - Efficient in grinding mill and draining water
• Spectacles - Composed of convex lenses /help foresighted people
• Chess - This game was created in India
• Mirror - This material was created by Alexander Neckham
• Oil paint - John Van Eyk created this material for artistic purposes
• Tidemill - Reservoir/Dam
• Spinning wheel - Used in making thread - It was invented in India
• This plague existed in 1400 - Black death
• Venice - It is aregion in france Italy - the place where quarantine began
• How many European has died from the black death?

  25.50%