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