Oceanography Ch. 1 Test

At the border between the Atlantic and Pacific Ocean, the Atlantic....?

sinks

Seas are...?

smaller than oceans and surrounded by land

a hypothesis is?

testable statement

Winter in Washington State is not as cold as winter in Indiana because...?

the ocean has a high specific heat

Continental crust is...?

thicker, less dense, and made of granite

Oceanic crust is...?

thinner, more dense, and made of basalt

The saltiest and densest ocean is the?

Atlantic Ocean

Transpiration happens where?

Between plants and the sky

Stanley Miller Experiment showed that life could have started with just what?

CO2, water vapor, hydrogen and methane

Hydrothermal vent bacteria get their energy from?

Chemosynthesis

Oceanic crust is primarily: a. carbonate sedimentary rocks. b. siltstone. c. granite. d. clay minerals. e. basalt.

E

T/F: Any solution with a pH of greater than 7.0 is acidic

False

T/F: Heterotrophic organisms manufacture their own food using sunlight energy

False

T/F: The mantle could not have produced enough water to fill the oceans

False

Ocean salinity is measured in?

PPT (parts per thousand)

Was Protoearth or Present Earth bigger?

Protoearth

T/F: As a whole, the pH of the ocean is slightly alkaline

True

T/F: Carbon dating is used to determine the absolute age of a rock or fossil

True

T/F: The Earth formed 4.6 billion years ago

True

T/F: Hydrothermal vents have a significant impact on ocean chemistry.

True?

A nebula is a...?

cloud of gas and dust

order of layers?

crust, mantle (lithosphere, asthenosphere, mesosphere), outer core, inner core

Earth's layers are formed by..?

density stratification

Increased salinity equals...

increased density

Which is bigger? a. the average depth of the ocean b. the percentage of water that is fresh c. the height of the continents d. the percent of the ocean that has been explored

A

The temperature and salinity of an ecosystem are _________ factors.

abiotic (nonliving)

Radioactive isotopes determine?

absolute age

Did the heterotroph or autotroph come first?

heterotroph

a theory is a?

well-tested explanation