Show:
Ocean Facts
Waves
Currents
Tides
Geography
100
The ocean covers about ________ of the Earth's surface
What is 3/4
100
Label the 4 parts of a wave
What is crest, trough, wavelength, waveheight
100
Deep ocean currents are caused by
What is temperature and salinity * not wind, because its underwater
100
Every 24 hours there are _____ tide changes (think of total)
What is 4
100
What is a famous ocean current near the United States and Mexica
What is Gulf Stream
200
About _______ percent of the hydrosphere is FRESH WATER
What is 4 %
200
Molecules of cold water are ______ molecules of warm water
What is more dense.....think of ice cubes they sink to the bottom of your cup...Heat rises
200
Tides are influenced by the gravitational pull of the _______
What is moon and sun
200
Molecules of warm water ________ under cold water
What is sink...think warm air rises
200
Where is the Gulf Stream located on the map
What is near Mexico and United States
300
_______ is the natural rise and fall of the water along the ocean's shore
What is tides
300
When there is more precipitation, the salinity is ___________
What is decreased...less
300
A wave that is 100 feet high and travelling at 300 mph is called a. breaker b. ripe tide c. tsunami d. whitecap
What is tsunami
300
Water particles move in what directions
What is circular
300
An egg is less or more buoyant in salt water?
What is more
400
When a warm current meets a cold current,_________
What is the warm current flows above the cold current
400
Describe (using a picture) the movement of particles NOT THE WATER in a wave (hint think of the when I drew on the Map)
What is in a circular pattern
400
What causes tsunamis?
What is an underwater eruption
400
"A river within an ocean"??
What is current
400
Which is dense salt water or fresh water
What is salt because there is more particles inside the water
500
The measure of salt in water is called
What is salinity
500
The average salinity of ocean water is about_______
What is 3.5%
500
Deep ocean currents are caused by______
What is temperature and salinity
500
What directions do the currents flow in the Northern Hemisphere
What is clockwise
500
What directions do the currents flow in the Southern Hemisphere
What is counter clockwise