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