Aquatic science unit #2
The official SI unit for temperature is the ____________.
Kelvin
Why is dissolved oxygen an important water quality parameter?
Low oxygen levels can be an indicator of low water quality. Aquatic life, such as fish and coral, also need oxygen to survive.
What is true about mass?
Mass is measured in Kilograms. Mass is the amount of matter that makes up an object. Weight depends on gravity, mass is the same no matter where
Does reading information on the internet make it true?
No, because anyone can post anything on the internet.
What is the definition of mean?
The mean is the average of a data set.
When talking about measurements, what is a conversion?
a change from one form to another form, or one unit to another unit
what is longitude?
a imaginary line that measures how far east or west a location is from a prime meridian
What does the term parallel refer to?
a latitude above or below the equator; runs parallel to the equator
what is dimensional analysis?
a method of converting one unit to another unit using ratios and conversion factors
A pH reading between 1-6 means that the water is _____.
acidic
What does the term meridian refer to?
another word for longitude.
A pH reading between 8-14 means that the water is _____.
basic
What kind of information are textbooks good for? Select all that apply.
basic information on a subject information on scientific laws
The river is brown is an example of _________ data.
census
What are NOT some water parameters included in a water kit? Select all that apply. Select all that apply.
color, taste, elasticity appearance, carbon levels
why is it important to keep data safe?
conclusions are based on data, if the data is bad, the conclusions may not be accurate
Taking a measurement of an object and finding that it is 23.5 meters is considered ____________ data.
continuous
Volume
cubic meter
What is a sample?
data collected from a selected group
What is a census?
data collected from every member of a group or population.
What is discrete data?
data collected in counting individual points, or when whole numbers are involved
What is qualitative data?
data that describes something's qualities or traits
What is quantitative data?
data that is expressed in numbers
What is continuous data?
data value that falls within a range
When giving directions in terms of longitude, do you say east/west or north/south?
east/west
Which microscope has the highest magnification?
electron
What are the types of microscopes? Select all that apply.
electron & compound
what is data?
facts that are collected and used analysis
What is data?
facts that are collected and used for analysis
If you find research that says the opposite of numerous other studies, or if the research is someone's opinion, such as information on a blog, it is probably
fiction
What is a buoy?
flotation devices in the water that are often used as markers
What is latitude?
imaginary horizontal line that measures how far North or South a location is from the equator
What is the GPS?
is a system of satellites that orbit the earth and transmit distances from the locations of the satellites to a GPS receiver.
Mass
kilogram
length
meter
A pH reading of 7 means that the water is ____.
neutral
When giving directions in terms of latitude, do you say east/west or north/south?
north/south
An advertisement states that you should buy their luggage because when tested against other brands, it proved to be most durable. This is an example of
peer-reviewed journal
What does the term prime meridian refer to?
represents 0° longitude and runs through Greenwich, England
What is the definition of median?
the number in a data set that is exactly in the middle
When it comes to scientific data, remember, "When in doubt, _________________."
throw it out
area
two-dimensional measurement that describes the amount of space the surface of an object occupies.
What is true about DART buoys?
used to help detect earthquakes and tsunamis located in the Ring of Fire Stands for Deep-ocean Assessment and Reporting of Tsunamis buoys
practice test numbers
32.74m2 - 5.52x10'20 - 16.8L
What is a nautical mile?
A nautical mile is a special unit of measurement used in air and sea travel. One nautical mile is equal to about 1.852 kilometers. equal to 1.15 miles
The unit of temperature most used by scientists is ____.
Celsius
Why is it important to keep your data safe?
Conclusions are made based on data, if the data is bad or there is not enough, the conclusions will not be very accurate.
What does GIS stand for?
Geographical Information System
What does GPS stand for?
Global Positioning System
