Bill Nye Greatest Discoveries Earth Science Quiz

May 18, 1980 ____________

• "Dracula", by Irish author Bram Stoker was published

• Mt St Helen erupted.

• scientists noticed a series of earthquakes under Mt St Helen, Washington.

• a mass panic occured on Khodynka Field

Mt St Helen erupted with force ________ times that of the atomic bomb dropped on Hiroshima.

• 5000

• 500

• 400

• 800

The two scientists credited for discovering the structure of the Earth's core are __________ & ____________.

• Hess, Layman

• Oldham, Layman

• Oldham, Hess

• None of these

A siesmograph measures _____________.

• volcanic eruptions.

• how much Jason talks.

• the size of earth's layers.

• vibrations of earthquakes.

Choose all that apply. What observations led to Wegner's investigation of continental drift?

• Plant and animal fossils in both South America and Africa.

• GPS imaging shows the continents are moving about 2.5 cm/year.

• Continents fit together like puzzle pieces.

• The same animals are on both sides of the Indian Ocean.

• none of these

Choose all that apply. Why hasn't the Earth cooled down?

• The earth is so massive.

• The sun keeps it warm.

• The heat of the core is so high it will take billions of years to cool down.

• The atmoshere keeps heat from escaping.

Pangea means

• All Earth

• God's Pan

• Super Continent

• Pan Gala

Wegner's theory of continental drift was ignored because

• he was disruptive in the library.

• every one knows continents can't move.

• he could not provided an explanation of how the continents could move.

• if the contents were moving they would fall off the edge of the Earth.

The Pacific Ocean is getting __________ the Atlantic Ocean is getting ___________.

• smaller, smaller

• larger, larger

• smaller, larger

• larger, smaller

• neither is changing.

Select all that apply. The Mid Atlantic Ridge was discovered _______

• during World War II

• March 18, 1980

• because of sonar

• by Hess