Wave Action
This is what waves are primarily formed by.
What is wind?
These are the daily rise and fall of Earth's waters along coastlines.
What are tides?
This is is the total amount of dissolved salts in a sample of water.
What is salinity?
This is a large stream of moving water in the ocean.
What is a current?
Hundreds of years ago, kings and queens ruled the islands of ____. The rulers' favorite sport was "wave-sliding," a sport we know today as surfing.
What is Hawaii?
This is the distance between a trough and crest.
What is wave height?
_____ ______ has the greatest difference between high and low tides (hint: caused by moon & sun lining up twice a month).
What is spring tide?
As you descend through the ocean, the water _____ decreases and _____ increases.
As you descend through the ocean, the water temperature decreases and pressure increases.
This is what surface currents are caused by.
What is wind?
When a wave near the shore reaches a certain height, the crest of the wave topples. The wave breaks onto the shore, forming ____.
What is surf?
This is the movement of sand by waves and currents.
What is longshore drift?
____ ____ has the least difference between high and low tides (hint: caused by moon & sun pulling at right, or 90 degree angles twice a month).
What is neap tide?
The cold waters in polar regions contain more of this than warm, tropical waters.
What is oxygen?
This is what deep currents are caused by.
What are differences in ocean water density?
This is a rapid water flow back to sea through a narrow opening in a sandbar.
What is a rip current?
One method of reducing erosion along a stretch of beach is to build a wall of rocks or concrete, called a ______, outward from the beach.
What is a groin?
The movement of huge amounts of water between high and low tide is a source of _____ _____.
What is potential energy?
On average, one kilogram of ocean water contains about ___ grams of salts--that is, ___ parts per thousand.
On average, one kilogram of ocean water contains about 35 grams of salts--that is, 35 parts per thousand.
This is a warm current from Australia to South America that blocks upwelling every 2-7 years.
What is El Niño?
One spring day, people strolling along a beach in Washington State saw an amazing sight. Hundreds of these were washing ashore from the Pacific Ocean! This event became known as the "____ spill"
What are sneakers? / Sneaker spill
This is the number of waves that pass by an area in an amount of time.
What is frequency?
These are the two moon phases during which spring tide can occur
What are new moon and full moon?
This is about 60 times as plentiful in the oceans as in the air. Algae and corals need this to survive.
What is carbon dioxide?
This is the largest and most powerful surface current in the North Atlantic Ocean. This current carries warm water from the Gulf of America to the Caribbean Sea, then northward along the coast of the United States. This current is more than 30 kilometers wide and 300 meters deep.
What is the Gulf Stream?
Major surface currents like the North Atlantic Drift warm Trondheim, a city of this European country.
What is Norway?