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