Tides

Which of the following are produced primarily by gravity?

• Waves

• Currents

• Gyres

• Tides

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS2-4

What usually has the greatest influence in causing tides?

• the earth's core

• the moon

• the sun

• the weather

Which of the following is the best explanation for tides?

• Winds push water to one side of the ocean basins.

• The tidal bulge moves around the earth, causing high and low tides.

• Upwelling and downwelling create high and low tides.

• The earth moves under the tidal bulge to form high low tides.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following is not an advantage of tidal power generation?

• Tides are driven by gravity, so tidal power generation is inexhaustible.

• Tides occur regularly due to astronomical influences, so tidal power generation is reliable.

• Tidal dams must be designed to allow boats and ships to pass.

• Tidal generation facilities do not produce any kind of waste products, so they are nonpolluting.

Ocean navigation is most affected by which of the following?

• waves

• currents

• gyres

• tides

Which of the following currents are unrelated to thermohaline currents?

• countercurrents

• density currents

• subsurface currents

• All of these are related to thermohaline currents.

The vertical distance between a wave's crest and trough is its___________

• amplitude

• height

• wavelength

• wave base

Tags

NGSS.MS-PS4-1

Which of the following is most directly related to wave speed?

• wave amplitude

• wave angle

• wave height

• wave period

Tags

NGSS.HS-PS4-1

Coastal stacks are often the last remnants of _____________

• spits

• bay barriers

• beaches

• sea arches

Solar tides by themselves are much smaller than lunar tides.

• True

• False