Project Test on Unit 2-4

Chemosynthesis:

• all of the above

• was first found in the 1970s

• was first discovered at hydrothermal vents

• supports the idea of life’s origins in the deep ocean floor in absence of light

Tags

NGSS.MS-LS2-3

Layers of the earth separated based on density differences.

• True

• False

Earth developed the first ocean by about 4 billion years ago.

• True

• False

Tags

NGSS.MS-ESS2-4

Radiometric dating is used to determine the ages of rocks.

• True

• False

Tags

NGSS.HS-ESS1-5

The four principal ocean basins (plus an additional ocean) on Earth are the:

• Atlantic, Pacific, Indian, Southern, and Arctic Oceans.

• Atlantic, Arctic, Mediterranean, Southern, and Pacific Oceans.

• Atlantic, Antarctic, Southern, Mediterranean, and Pacific Oceans.

• Antarctic, Caspian, Southern, Indian, and Pacific Oceans.

• Antarctic, Arctic, Indian, Pacific, and Southern Oceans.

The largest of the ocean basins, which currently covers more than half of the ocean surface, is the:

• Pacific Ocean

• Arctic Ocean

Which of the following oceans is the smallest?

• Atlantic Ocean

• Indian Ocean

• Southern Ocean

The average depth of the world's oceans is approximately:

• 3,682 meters (12,080 feet)

• 11,022 meters (36,161 feet)

• 840 meters (2,756 feet)

• 2,172 meters (7,126 feet)

• none of the above

Oceanic crust is primarily:

• basalt

• carbonate sedimentary rocks.

• clay minerals.

• granite

• siltstone

Tags

NGSS.MS-ESS2-3

The relatively young age of the seafloor supports the idea that subduction must take place.

• True

• False

Tags

NGSS.MS-ESS2-3