Wave Action
What is a wave?
The movement of energy through a body of water
What is a tide?
The daily rise and fall of ocean water on the coastlines
What is a current?
A rush of water that moves carrying things with it
On average one kilogram of water contains how much salt?
35 grams
Which tide are we about to have next?
Neap.... October 12
What is a tsunami?
An earthquake that happens under the ocean surface that causes a large tidal wave
Tides are caused by the interaction of what?
The Earth, the Moon, and the Sun
What is the largest and most powerful current?
What is...... The Gulf Stream???
What is table salt chemically?
Sodium Chloride... NaCl
Which places on Earth experience the most tsunamis?
Japan, Hawaii, Alaska
What is a rip current?
A rush of water that flows back to sea through a narrow opening
What is a spring and neap tide? How are they different?
A spring tide is the greatest difference between high and low tides, where a neap tide is the smallest difference.
Spring Tide: 19.5ft tidal range
Neap Tide: 3.87ft tidal range
What is climate?
Climate refers to the average precipitation and temperature of an area over a long period of time.
When does ocean water freeze
-1.9 Celsius
If something has a high tide of 11.2ft and a low tide of 4.78 ft, what is the tidal range?
6.42 ft
What is a barrier beach?
A landform that helps beaches control erosion
What moon phases are with spring and neap tides?
Spring- New and Full
Neap- 1st and 3rd
How do we know what currents are warm and what currents are cooler? How can we tell?
Water that is moved from the equator is typically warm while water from the poles is typically cooler.
What happens to temperature and pressure as you go deeper into the ocean?
Pressure goes up, temperature goes down
Although the gulf stream goes almost all the way to the North Pole it is an extremely warm current... How is this?
It carries warm water from the equator all the way up past Maine and into parts of Canada and Europe
A groin is a wall of rock or concrete that helps to slow erosion
People use groins to help certain places/areas from flooding.
How often do high and low tides occur?
About 12 hours apart.
What is the Coriolis Effect?
The paths of wind and currents... northern hemisphere turn clockwise (right) and southern hemisphere turn counterclockwise (left0
Why does salt water have greater buoyancy than freshwater?
Because it is denser. An egg will not float in freshwater, but will in saltwater
Why is the Bay of Fundy famous?
BECAUSE OF ITS FAMOUS DRAMATIC DAILY TIDES......... WE ARE TALKING ALMOST 60 FEET OF WATER DIFFERENCE BETWEEN HIGH AND LOW TIDES!!!!!!!!