Topography, Currents, Waves, and Tides

The continental slope is located at the end of the...

• continental shelf
• shoreline
• mid ocean ridge
• abyssal plain

The portion of a landmass that extends out from the coast under the ocean is called a continental _____.

• edge
• slope
• shelf
• plate

The salts in the sea come from _____.

• acid rain
• particles falling from space
• organisms that live in the sea
• weathering and erosion of rocks

From the diagram, which undersea feature extends across most of the ocean floor?

• submarine canyons
• continental shelf
• abyssal plain
• continental slope

What is the Mid-Ocean Ridge?

• Continuous underwater mountain range

• A geyser on the ocean floor

• Mountains that reach the ocean surface

• Underwater, inactive volcanoes

Tags

NGSS.MS-ESS2-3

What are three reasons it's hard to study ocean floor ?

• extreme pressure, very dark, very cold
• very warm, no pressure, light
• very dark, little density, marine life dangers
• too hot, extreme pressure, very dark

Water currents in the ocean curve because of __________.

• wind
• the Coriolis effect
• the Sun
• upwellings

Tags

NGSS.MS-ESS2-6

Tides are caused by __________.

• the rise and fall of water
• changes in ocean salinity
• strong winds
• the gravitational attraction of the Sun and the Moon

Tags

NGSS.MS-ESS1-1

Which natural force creates surface ocean currents?

• wind
• gravity
• sunlight
• earthquakes

Tags

NGSS.MS-ESS2-6

What are deep ocean currents?

• Currents caused by the differences in temperature and salinity.
• Currents caused by the power of the winds.
• Currents caused by the power of rivers flowing downhill.
• Currents caused by the differences in condensation rates.

Tags

NGSS.MS-ESS2-6