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Unit 1: Safety, Scientific Method, and Oceanography Flashcards | StudBud
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Unit 1: Safety, Scientific Method, and Oceanography
Unit 1: Safety, Scientific Method, and Oceanography
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1
These oceanographers study plants and animals and how they interact with the ocean
Physical Oceanographer
Geological Oceanographer
Biological Oceanographer
Chemical Oceanographer
2
Submersibles and self-contained diving changed the study of the oceans by allowing scientists to
all of these
pick specific samples and observe phenomena in their natural setting
directly observe organism behaviors
take living samples without killing them.
3
A theory is an assumption made by scientists and implies a lack of certainty.
true
false
4
Scientific process skills include…
constructing models
comparing observations
all of these
identifying the problem and predicting outcomes
5
These oceanographers study the relationship between the ocean, the atmosphere, the seafloor, and coast
Biological Oceanographer
Physical Oceanographer
Geological Oceanographer
Chemical Oceanographer
6
The following footwear is best in the lab:
open-toed shoes
heels
flip-flops
closed-toe shoes
7
Scientific hypotheses are most often tested by the process of
analyzing data
inferring
communicating
experimenting
8
Based on his observations, Dr. Ross suggested that a mosquito might spread malaria from person to person. This was a(n)
scientific truth
prediction
hypothesis
theory
9
The control and experimental groups are designed to be identical.
true
false
10
A theory is a hypothesis that has been proven true.
true
false
11
A scientist who performs an experiment has no idea what the outcome of the experiment is going to be.
true
false
12
Scientists usually design experiments
in order to develop new laboratory tools
all of these
with a good idea of the expected experimental results.
based on wild guesses
13
A hypothesis that is not supported by the data that has been collected and analyzed…
Is an inaccurate forecast.
predicts a different observation
none of these
is disproved
14
The variable that is measured in an experiment is the ____ variable.
dependent
control
experimental
independent
15
A hypothesis is a…
definite answer to a problem
proven statement
concluding statement
testable possible explanation of an observation
16
The independent variable is the variable that causes change in an experiment.
false
true
17
The word theory used in a scientific sense means
an absolute scientific certainty
a guess made with very little knowledge to support it
none of the above
that of which the scientist is most certain
18
You have been injured in a lab. What is the first thing you should do?
tell the nurse immediately
go to the nurse after school
go see a doctor after school
19
Approved eye protection devices (such as goggles) are worn in a laboratory
to improve your vision
any time heat, chemicals, or glass is used
you do not need to wear eye protection
when the teacher is in the room
20
The basic steps of the scientific method
do not
include
identifying the problem (or question)
reporting results. Procedures, and conclusions
copying the work of others
testing the hypothesis
21
A scientific theory
is absolutely certain
may be revised as new evidence is presented
is unchangeable
is a controlled experiment
22
Most typically, the order in which the steps of scientific investigations are applied is
observe, predict, hypothesis, controlled testing, conclusion, questions
observe, hypothesis, predict, controlled testing, questions, conclusion.
observe, questions, hypothesis, predict, controlled testing, conclusion
predict, observe, hypothesis, conclusion, controlled testing, questions
23
If you do not understand the directions for part of a lab procedure, you should
try several methods until something works
skip it and move on
figure it out as you go
ask the teacher before you proceed
24
A scientist noticed that the number of salamanders in ponds in the Rocky Mountains was declining. This was a(n)
Hypothesis
Theory
Observation
Control
25
These oceanographers study the composition of seafloor structures
Chemical Oceanographer
Biological Oceanographer
Physical Oceanographer
Geological Oceanographer
26
Oceanography is the science of
studying the physical and biological aspects of the sea
recording and describing the ocean’s daily contents..
creating oceanic graphs.
Latin and Greek applied to the sea.
27
These oceanographers study the composition of seawater and map chemicals as they move through the ocean
Biological Oceanographer
Chemical Oceanographer
Geological Oceanographer
Physical Oceanographer
28
Aquatic Science is the study of aquatic ecosystems and the organisms living within them.
True
False
29
A planned procedure to test a hypothesis is called a(n)
prediction
variable
experiment
control
30
A unifying explanation for a broad range of hypotheses and observations is called a
theory
controlled experiment
prediction
hypothesis
