1. History of Sails and Sailing
Catching the Wind with Sails

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

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

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

5. A mast is the tall, vertical pole that supports the sail.

6. Speed
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.

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

8. Balance
The ability to be stable; equally distributed forces. In sail design, does the boat rock side to side, or stay calm and balanced?

9. Any type of surface used to move a vessel
Sail
Any type of surface used to move a vessel

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

11. Tell what you think will happen
Predict
Tell what you think will happen

12. absorbent soft plush Property
Characteristics – For this experiment, properties will be any characteristic of the materials used (hard, soft, opaque, etc.)
absorbent
soft
plush

13. Something used to determine ability or success
Test
Something used to determine ability or success