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8th grade, Sci/Tech, ch. 1 review Flashcards | StudBud
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8th grade, Sci/Tech, ch. 1 review
8th grade, Sci/Tech, ch. 1 review
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8th.Sci/tech.ch.1.review
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1
The factor that may change in response to the manipulated variable
independent variable
operational variable
responding variable
hypothetical variable
2
A possible explanation for a set of observations or answer to a scientific question
theory
law
prediction
hypothesis
3
Explaining or interpreting the things you observe based on reasoning from what you already know
inferring
observing
predicting
classifying
4
In a scientific experiment, the responding variable can also be called the
dependent variable
independent variable
operational variable
manipulated variable
5
If you purposely change the temperature to test a hypothesis, the temperatue is called the
dependent variable
responding variable
manipulated variable
operational definition
6
Making a forecast of what will happen in the future based on past experience is called
inferring
classifying
observing
predicting
7
When scientists create a representation of a complex process, they are
inferring
classifying
predicting
making models
8
A summary of what you have learned from a scientific experiment
conclusion
hypothesis
law
inquiry
9
Which of the following is an example of thinking scientifically about a topic?
reading a magazine about bikes
investigating the invention of bikes
evaluating the costs of bikes
finding out how bikes work
10
Using one or more of your senses to gather information is called
observing
predicting
inferring
classifying
11
Trying to explain a solar eclipse is an example of
a prediction
drawing a conclusion
scientific inquiry
classification
12
Which branch of science includes the study of magnetism?
life
earth and space
physical
scientific literacy
13
Well-tested explanation for a wide range of observations is a scientific
law
theory
hypothesis
inquiry
14
A statement that describes what scientists expect to happen every time is called
scientific law
scientific inquiry
scientific theory
scientific hypothesis
15
Identifying good sources of scientific info and applying the knowledge to problems in your life
scientific hypothesis
scientific laws
scientific literacy
scientific inquiry
16
When scientists put things into categories or group items that are alike
making models
predicting
classifying
inferring
17
Many nonscience careers require a knowledge of science because workers must
keep up with new developments in science
develop new scientific laws
use the process of scientific inquiry
use materials/processes that follow scientific principles
18
Which branch of science includes the study of the stars
earth and space science
physical science
life science
scientific literacy
19
In science, a hypothesis must be
correct
testable
manipulated
controlled
20
Most scientific questions being investigated today
involve one field of science
do not require cooperation between scientists
involve small numbers of scientists
span the different fields of science
21
Observations that deal with descriptions that cannot be expressed in numbers
quantitative observations
qualitative observations
manipulated observations
operational observations
22
Observations that deal with a number or amount
manipulated observations
qualitative observations
operational observations
quantitative observations
23
One useful tool that may help a scientist interpret data by revealing patterns
law
graph
theory
variable
24
Which stage of the scientific process lets a scientist check the work of other scientists?
communicating
concluding
hypothesizing
classifying
25
Which of the folowing are NOT examples of data
measurements
quantitative observations
theories
qualitative observations
26
Which of the following is a valid reason why a scientist might reject a scientific theory?
covers too broad of topic
new evidence contradicts it
some disagree with it
it is too old
27
A statement that describes how to measure a variable or define a term
operational definition
responding variable
manipulated variable
law
28
An organized way to collect and record scientific observations
operational definition
inference
data table
model
29
Which factors must be controlled so you can draw logical conclusions in an experiment?
theories
variables
operational definitions
inquiries
30
Which branch of science includes the study of plants, animals, and human body?
earth and space
physical
life
scientific literacy