Earth's Oceans

What percent of the Earth is covered in salt water oceans?

• 82%

• 71%

• 49%

• 35%

Tags

NGSS.MS-ESS2-4

Earth's tallest mountain (base to top) is Mauna Kea, located in the

• Atlantic Ocean

• Pacific Ocean

• Indian Ocean

• Arctic Ocean

What is the world's deepest trench

• Trench Deep

• Marina's Trench

• Challenger Deep

• Pacific Trench

The most common minerals in seawater are

• calcium and chloride

• sodium and chloride

• magnesium and calcium

• calcium and oxygen

Salt in the ocean comes from

• deep sea vents

• mid-ocean ridges

• river inlets

• off-shore salt deposits

The reason the Dead Sea is so salty is

• the rivers that flow into it carry many salts

• evaporation rate is high

• there is a lot of salty runoff from nearby mountains

• none of these

Water Density increases as

• salinity increases, temperature decreases, pressure decreases

• salinity increases, temperature increases, pressure increases

• salinity increases, temperature decreases, pressure increases

• salinity decreases, temperature decreases, pressure decreases

The ocean zone that is always covered by water, but is fairly shallow in depth is the

• intertidal

• oceanic

• neritic

• benthic

The yearly weather at a site on the coast is most likely more moderate than at a site inland about 100 miles.

• True

• False

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Photosynthesizing organisms must live in the ____________ zone.

• photic

• aphotic

• benthic

• open ocean

Tags

NGSS.MS-LS1-6