Aquatic Science Unit 2 test Review

meter

the base unit of measurement for length

Prime Meridian

represents 0° longitude and runs through Greenwich, England.

census

Data collected from every member of a group or population.

meridian

another word for longitude

electron microscopes

greater magnification

sample

Data collected from selected group members.

1

maximum positive correlation

DART buoys

used to detect tsunamis and earthquakes

acidic

pH reading between 1 and 6

latitude

north/south

environmental hazard

longitude

east/west

kilogram

the base unit of measurement for mass.

conversion

A change from one form to another form, or one unit to another unit

most scientists measure in

Celsius

Textbooks

good resources to find basic information on a subject.

A water quality kit can be used to find

temperature, oxygen levels, salinity

cubic meter

base unit of measurement for volume.

trilateration

When a GPS receiver locates satellites, calculates its distance from the satellites, and uses that information to figure out your location.

area

the amount of space the surface of an object occupies.

volume

amount of space an object takes up

mass

amount of matter that makes up an object

analysis

a method of converting one unit to another unit using ratios and conversion factors.

basic

pH reading between 8 and 14

qualitative data

data that describes something’s traits or something observed.

GIS (Geographic Information System)

computer software that takes the data points from receivers and converts them into useful information.

data

facts that are collected and used for analysis

quantitative data

data that is expressed in numbers

nautical mile

a unit of measurement used in air and sea travel; about 1.15 miles

GPS (Global Positioning System)

a system of satellites that orbit the earth and transmit distances from the locations of the satellites to a receiver

equator

The imaginary line around the earth that is the same distance from the North and South Pole which represents 0° latitude

toxic chemicals

corrosive material

Everything west of the Prime Meridian

is in the Western Hemisphere

peer-reviewed journal article

The gold standard in science research