Ocean Water and Floor
Seamounts are what?
a. form only in the Pacific Ocean basin
b. are a special type of oceanic trench
c. are submarine canyons found near Australia
d. are volcanoes that form on the ocean floor
d. are volcanoes that form on the ocean floor
The total amount of solid material dissolved in water is called?
a. salinity
b. insoluable residue
c. solute
d. load
a. salinity
a. decreases
b. increases
c. stays constant
d. none of the above
a. decreases
Clouds are classified on the basis of their....
a. thickness
b. thickness and height
c. shape or form
d. height
e. form and height
e. form and height
The combustion of what has added great amounts of carbon dioxide to the atmosphere?
a. fossil fuels
b. wood
c. oxygen
d. paper
a. fossil fuels
Which of the following is not part of the continental margin?
a. continental shelf
b. continental trench
c. continental rise
d. continental slope
b. continental trench
The pycnocline is a rapid change in what?
a. salinity
b. temperature
c. density
d. none
c. density
Important weather phenomena typically occurs in which layer of the atmosphere?
a. troposphere
b. mesosphere
c. stratosphere
d. thermosphere
a. troposphere
Isobars are lines on a weather map representing what?
a. lines of equal elevation
b. lines showing equal density
c. lines of equal air pressure
d. lines of equal air speed
c. lines of equal air pressure
Which of the following is NOT part of the climate system?
a. cryosphere
b. biosphere
c. gyroshpere
d. hydrosphere
c. gyroshpere
Density in seawater is determined by what?
a. temperature
b. salinity
c. both temperature and salinity
d. none
c. both temperature and salinity
A poleward moving ocean current is....
a. cold
b. warm
c. warm only in the Southern Hemisphere
d. warm only in the Northern Hemisphere
b. warm
The main difference between weather and climate is that....
a. climate is the daily variations that actually occur at a location and weather is the general pattern of climate over time
b. climate is the regional pattern based on latitude and humidity while weather is the daily pattern based on seaon
c. weather is the regional pattern based on latitude and humidity while climate is the daily pattern based on season
d. weather is the daily variations that actually occur at a location and climate is the general pattern of weather over time
d. weather is the daily variations that actually occur at a location and climate is the general pattern of weather over time
Low pressure systems are usually associated with what conditions?
a. stormy
b. clear
c. clear
d. cold
a. stormy
In a hurricane, the greatest wind speeds and heaviest rainfall occur in the region called the....
a. outer bands
b. eye
c. Saffir-Simpson region
d. eye wall
d. eye wall
Animals capable of moving independent of the ocean currents by swimming or other means of propulsion are called....
a. plankton
b. benthos
c. biomass
d. nekton
d. nekton
Which of the following is correct regarding a wave in the open ocean?
a. such waves are called waves of oscillation
b. waves do not exist in the open ocean - only near the coast
c. water particles move in an almost circular path
d. none of these
c. water particles move in an almost circular path
Ozone is important to humans because it....
a. absorbs infrared radiation which is harmful to humans
b. absorbs ultraviolet radiation which is harmful to humans
c. is a pollutant that is harmful to humans
e. reflects solar rays that would cause global warming
b. absorbs ultraviolet radiation which is harmful to humans
Ultimate cause of a sea breeze is what kin of heating of air and land?
a. winter
b. unequal
c. equal
d. summer
b. unequal
Hurricanes most often develop in the....
a. late summer
b. spring
c. winter
d. none of the above
a. late summer
Organisms that feed through a food web instead of a food chain are more likely to survive because....
a. if a member of the food web diminishes in availability, there are still many other things to eat
b. the variety of food in a web is healthier so the organisms are more likely to live a long life
c. there is more biomass in a food web than in a food chain
d. food webs may contain organisms from different trophic levels
a. if a member of the food web diminishes in availability, there are still many other things to eat
Why, if caught in a rip current, do you swim parallel to the shore?
a. the current is moving offshore but is confined, so by swimming parallel to shore you can swim out of the current
b. it will carry you into the longshore current which will take you ashore
c. this recommendation is wrong
a. the current is moving offshore but is confined, so by swimming parallel to shore you can swim out of the current
Relative humidity is a measure of?
a. ratio of water vapor in the air to the amount of air
b. the ratio of the water vapor in the air to the amount of water vapor that it would take to saturate the air
c. the amount of water vapor in the air compared to the standard amount
d. none of the above
b. the ratio of the water vapor in the air to the amount of water vapor that it would take to saturate the air
On a weather map, what kind of fronts are shown by a line with triangle points on one side?
a. stationary
b. warm
c. cold
d. occluded
c. cold
a. the day after a tornado has touched down
b. only if a tornado has been sighted but before it has touched down
c. after a tornado has been sighted in an area
d. if the weather conditions indicate that tornadoes could occur
d. if the weather conditions indicate that tornadoes could occur