History of Sails and Sailing Catching the Wind

  • Slides: 13
Download presentation
History of Sails and Sailing Catching the Wind with Sails

History of Sails and Sailing Catching the Wind with Sails

History Ancient Egyptians developed the first sails around 4, 000 B. C. using papyrus

History Ancient Egyptians developed the first sails around 4, 000 B. C. using papyrus reeds. http: //www. gutenberg. org/files/17322 -h/images/080. jpg

History Ancient Greek and Roman ships used cotton cloth and leather straps to make

History Ancient Greek and Roman ships used cotton cloth and leather straps to make sails. http: //www. laits. utexas. edu/moore/sites/laits. utexas. edu. moore/files/images/9907140508_1024. preview. jpg

History Sailing became used for trade and transportation throughout Europe, Asia, and northern Africa.

History Sailing became used for trade and transportation throughout Europe, Asia, and northern Africa. http: //bestgfx. com/uploads/posts/2011 -07/1310378359_32 hi 4 wkxenv 9 mgw. jpeg

Mast A mast is the tall, vertical pole that supports the sail. http: //upload.

Mast A mast is the tall, vertical pole that supports the sail. http: //upload. wikimedia. org/wikipedia/commons/7/79/Balclutha_main_topgallant_mast. jpg

Speed is an objects change in position over time. How speedy you are is

Speed is an objects change in position over time. How speedy you are is how much change you have in a set amount of time. http: //www. lookpictures. net/photos/registered_photos/7799 -speedometer. jpg

Length In this experiment, length will be the distance traveled in centimeters or inches.

Length In this experiment, length will be the distance traveled in centimeters or inches. http: //simplyzesty. com/wp-content/uploads//2011/07/measuring_success. jpg

Balance The ability to be stable; equally distributed forces. In sail design, does the

Balance The ability to be stable; equally distributed forces. In sail design, does the boat rock side to side, or stay calm and balanced? http: //breakingmuscle. com/sites/default/files/images/03/12/2011_-_1919/1 balance. jpg

Sail Any type of surface used to move a vessel http: //www. jwoolfden. com/jpg/USCGC_Eagle_under_sail.

Sail Any type of surface used to move a vessel http: //www. jwoolfden. com/jpg/USCGC_Eagle_under_sail. jpg

Material Anything made of matter. For this experiment, materials will be anything available to

Material Anything made of matter. For this experiment, materials will be anything available to build your sail. http: //cdn 1. novadevelopment. com/images/complete. Materials 01_tcm 23 -144221. jpg http: //www. archkidecture. org/buildingsquares/bldgsquares_images/4 materials. jpg

Predict Tell what you think will happen http: //www. thenoisecast. com/wp-content/uploads/2011/03/fortune-teller. jpg

Predict Tell what you think will happen http: //www. thenoisecast. com/wp-content/uploads/2011/03/fortune-teller. jpg

Property Characteristics – For this experiment, properties will be any characteristic of the materials

Property Characteristics – For this experiment, properties will be any characteristic of the materials used (hard, soft, opaque, etc. ) T F SO http: //www. globaltextiles. com/html/images/upload/tradeleads/555/554823. jpg

Test Something used to determine ability or success

Test Something used to determine ability or success