Navigation Tools and Ships

Which navigation tool was developed by Arab sailors and consisted of a piece of wood and rope attached to it?

• Kamal

• Quadrant

• Astrolabe

• Cross Staff

What was the purpose of the kamal?

• To measure altitude and determine latitude

• To measure the height of mountains and buildings

• To measure the speed and direction of the ship

• To measure the position of stars and planets

Which navigation tool was used to measure the height of the North Star or any star?

• Kamal

• Quadrant

• Astrolabe

• Back Staff

What information could be determined using an astrolabe?

• Current latitude, time of day or night, and position of stars or planets

• Altitude and latitude

• Speed and direction of the ship

• Distance from the home port

Which tool was developed by Captain John Davis as an alternative to the cross staff?

• Kamal

• Quadrant

• Astrolabe

• Back Staff

How did the back staff differ from the cross staff?

• It used the shadow of the sun instead of directly looking at the sun

• It had a longer length for more accurate measurements

• It could measure both altitude and latitude

• It was easier to use during nighttime

Which navigation tool used a magnetic needle to determine direction?

• Kamal

• Quadrant

• Astrolabe

• Magnetic Compass

Where did the early versions of magnetic compasses come from?

• Europe

• China

• Arabia

• Africa

What was the purpose of the traverse board?

• To measure the height of mountains and buildings

• To determine latitude using the North Star

• To record the speed and direction of the ship

• To aim a cannon accurately

Which ship was developed specifically for long-distance trade by Prince Henry the Navigator?

• Caravel

• Carrack

• Galleon

• Sloop