Intro and Ocean Exploration- Test Yourself

Question 1

Who were the first to navigate the Pacific Ocean?

Answer 1

Polynesians

Question 2

Who made the first map we know of?

Answer 2

Ptolemy

Question 3

What is longitude and how is it determined?

Answer 3

Lines traveling N-S measuring distance E-W around the world
Time it takes to travel a distance from the meridian

Question 4

What is latitude and how is it determined?

Answer 4

Lines equal distance apart around the circumference of the earth
Angle between the horizon and a star (or sun)

Question 5

Why was it difficult for early explorers to determine longitude?

Answer 5

Clocks didn’t keep good time on ships because the pendulum would swing

Question 6

What is special about Harrison’s H4 clock?

Answer 6

It had springs instead of a pendulum, so it kept good time on ships

Question 7

What is the Azoic theory, and who formulated it?

Answer 7

No life exists below 300m in the ocean
Forbes

Question 8

Who disproved the Azoic theory, and what was the discovery?

Answer 8

Sars
discovered lots of life in the deep sea

Question 9

What hypothesis did Charles Darwin form about coral reefs?

Answer 9

The land is subsiding and coral reefs are growing upward

Question 10

What is the deepest part of the world’s oceans?

Answer 10

Marianas trench
11,034m

Question 11

What was Haeckel’s Bathybius theory?

Answer 11

Life arose from a primordial ooze