The current that would push an iceberg southward off the west coast of Greenland.
What is the Labrador Current?
100
This current carries warm water to Iceland and the British Isles.
What is the Gulf Stream?
100
Scientists believe that animals migrated between Asia and North America during the last ice age by crossing...
What are land bridges?
100
A population explosion of algae is called an ...
What is an algal bloom?
100
Phytoplankton is important because of this.
What is the first link in the ocean food chain and is consumed by larger sea creatures?
200
The type of current that carries heat from one place to another in the ocean.
What are surface currents?
200
This has a very high heat capacity, meaning it takes a relatively long time to heat up or cool down.
What is water?
200
This is a short term warming of the climate caused by the change in water currents in the Pacific Ocean. This is caused by the change in direction that the trade winds blow near the equator.
What is El Nino?
200
This is step one in the stages of water treatment.
What is water moves through an intake pipe and a screen keeps out debris and fish?
200
This provides bacteria which is the basis of the food chain at the bottom of the sea. These chemicals are converted to food energy and consumed by larger sea creatures.
What is sea - floor vents?
300
Warm currents begin near this location.
What is the equator?
300
These type of currents flow from the Arctic and Antarctic regions.
What are cold currents?
300
These are long term changes in the Earth's climate that cause major cooling periods.
What are ice ages?
300
The term that means safe to drink.
What is potable?
300
Microscopic plant organisms in the surface of the sea use ______________ to create food energy.
What is sunlight?
400
Warm and cold currents affect this...
What is climate?
400
This current flows south from Baffin Island along the East Coast of Newfoundland and carries icebergs from the far north into the North Atlantic Ocean.
What is the Labrador Current?
400
Average air temperature during the last ice age was about _____ degrees lower than they are now.
What is 5 degrees?
400
The warm climate in southwest England is mainly caused by the ...
What is the Gulf Stream?
400
This is step two in the stages of water treatment.
What is pumps move water to the treatment plant?
500
The Gulf Stream starts in this location.
What is the Caribbean Sea?
500
These are produced where the Labrador Current meets the Gulf Stream because of the difference in temperature.
What are thick mists and fog?
500
These are ice sheets that cover all or most of the continents and are formed by the building up of ice and snow over a period of years.
What are continental glaciers?
500
Non-toxic chemicals entering a lake bring extra nutrients and chemicals added through run-off from a farm field or industrial activity may cause this.