Lesson 17: Explorers Technology

Lesson 17: Explorers Technology

How were explorers able to come to the "New" World?

• When: 225 BC (Ancient Greece)

• Who: Unknown

• What: device used to find explorer's location at sea

• How: Using the sun or the North Star explorers could calculate their longitude on a map

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​Astrolabe

Multiple Choice

Which of the following technologies allowed European explorers know their location at sea?

• Astrolabe

• Compass

• Gold

• When: 200 BC (Ancient China)

• Who: Unknown

• What: allowed explorer to know what direction they were going

• How: Using magnets the compass will point in directions North, South, East, and West

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Compass

Multiple Choice

Which of the following technologies allowed European explorers know what direction they were traveling?

• Caravel

• Compass

• Silver

• When: 1569

• Who: Gerdus Mercator

• What: Helped explorers compare where they are to other areas on a map

• How: Using a compass and latitude/longitude lines explorers could plot their voyage on a map

Mercator Maps

Multiple Choice

Which of the following technologies allowed European explorers know where they were located?

• Glory

• Caravel

• Mercator Maps

• When: 1450s

• Who: Portugal

• What: Smaller, faster, easy to steer ship that could sail with and into the wind

• How: Triangular sails could go into the wind, smaller keel made it quick, larger hull for supplies

Caravel

Multiple Choice

Which of the following technologies allowed European explorers to sail into the wind??

• Caravel

• Gold

• Maps

Multiple Choice

Cause: why an event happens Effect: what happens

Were these new technologies causes or effect of European exploration?

• Neither

• Causes

• Effect