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Science, Technology, & Engineering Unit Review Flashcards | StudBud
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Science, Technology, & Engineering Unit Review
Science, Technology, & Engineering Unit Review
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8th Grade Physical Science - Science, Tech., & Eng. Unit Review #science #stem #middleschool
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1
Space stations, artificial organs, supersonic aircraft, sports equipment have this in common
They occur in nature
They are all products of technology
Both answers 1 and 2
They have existed for the last 100 years
2
Since social media, privacy has decreased. This is considered an...
unintended consequence
intended benefit
assistive technology
adaptive technology
3
Which is a social-technical system of technology?
graphing calculator
medical facility
cordless curling iron
word-processing program
4
Technology can best be defined as
new inventions
the use of lenses and microscopes
applied science
science that uses computers
5
Which is assistive?
glasses
pacemaker
prosthetic limb
hip transplant
6
What is the intended benefit for TV's?
Movie industry boom
Waste time
Access to inappropriate content
Obtain information quickly/ entertain
7
Technologists attempt to discover the laws of nature
True
False
8
A working model before manufacturing the final product
prototype
criteria
variable
pilot plant
9
The development of the bow and arrow is an example of technology
True
False
10
What is the correct order?
improve, research, imagine, test, prototype
Identify need, prototype, test, research, improve
Identify need, research, imagine, prototype, test, improve
prototype, imagine, research, identify, improve
11
The variable you purposely change in an experiment.
constant
control
independent
dependent
12
What occurs in almost every phase of the technological solution process?
testing
quality control
marketing
production
13
Which is correct?
Adaptive: walker
Assistive: Digital Translator
Adaptive: microphone
Assistive: pace maker
14
Which object is NOT considered technology?
wheelchair
computer software
graphing calculator
lunar rock
15
A series of steps used to make technology to solve problems
photosynthesis
scientific method
water cycle
engineering design process
16
This is a possible answer to a scientific question. It is not a fact. It must be testable.
conclusion
hypothesis
variable
question
17
A scientific theory is an explanation that
is the same as a hypothesis.
has been published in a journal or book.
a scientist has tested with an experiment.
has been tested by many observations.
18
What is the intended benefit for building a mall?
destruction of ecosystems
millions of dollars used for construction
safe and convenient place to shop
biodiversity loss
19
For a scientific theory and law to be valid, it must allow you to
make predictions.
draw conclusions from an experiment.
find a new, more complex explanation.
obtain new results each time.
20
_____ requires both scientific & technical knowledge to design things that make life better.
Biodiversity
Engineering
Technology
Science
21
If inexpensive electricity is a benefit of nuclear power, what is an unintended consequence?
the decline of the coal industry
unattractive power lines
a non-renewable source
nuclear waste
22
Someone who applies scientific and design principles to create practical solutions for problems
engineer
technician
scientist
teacher
23
A type of bioengineering that aids temporarily for a living thing
adaptive
medical
nuclear
assistive
24
An unintended consequence of transporting oil by ships across oceans is
loss of habitat for the American bald eagle
an oil spill that can harm water birds
corrosion to large ocean-going ships
an increase in oil prices
25
Which of the following items does not represent technology?
production line in a factory
calculator
natural granite rock
computer program
26
The use of technology to alter or improve a living thing
matter
science
technology
bioengineering
27
What do trademarks legally protect?
new novels
new medicine
new songs
new product symbols
28
Explaining things you've observe using reasoning from what you already know is called ___.
observing
classifying
inferring
predicting
29
Process used to answer questions and solve problems
Scientific Method
Cause and effect
Engineering Design Process
Socratic seminar
30
Making a product more user friendly based on the results of prototype tests is an example of
building a prototype
feedback
redesigning
researching
31
What is the part of an experiment that is not being tested and is used for comparison?
dependent variable
constant
control
independent variable
32
Which type of bioengineering changes the organism?
adaptive
assistive
33
What is a scientific law?
It is an explanation of a scientific observation.
It is the same as a hypothesis.
It is a description of a natural event.
It is the conclusion of a scientific experiment.
34
Any factor that limits a design is a ________.
benefit
patent
constraint
trade-off
35
Intended benefit for coal?
poor health of miners
pollution
plentiful and inexpensive
harmful to environment when mined
36
Which of the following is an example of an assistive bioengineered product?
prosthetic leg
hearing aid
cochlear ear implants
artificial heart
37
The variable that is affected by the thing you changed in the experiment.
control
constant
independent
dependent
38
Which of the following is an example of technology?
a pair of pliers
pest management through the use of gene therapy
all of the answer choices are true
production of biofuels
39
Which is correct?
Adaptive: cochlear implant
Adaptive: Sign Language glove
Assistive: cochlear implant
Assistive: pace maker
40
What is another word for limitations?
controls
constants
variables
constraints
41
Which technology has an unintended consequence that is harmful no matter how it is used/done?
GPS
outdoor furniture that has been recycled
sending digital images to conserve paper
disposing cell phone batteries in a landfill
42
What should you do after you have tested your prototype?
research
choose the best design
improve
build a new prototype
43
A measurement that is accurate is one that
is as exact as possible.
is close to the true value.
contains five decimal places.
contains at least four significant figures.
44
Difference between Adaptive and Assistive
Adaptive changes the organism permanently
neither a or b
both a and b
Assistive technology helps without changing
45
Engineers & scientists use their knowledge and skills to create objects that fulfill our needs.
True
False
46
What is a prototype?
a full-scale model future products are based on once tested
a full-scale model that isn't tested, but used for marketing
a half-scale model which will be shown to customers
a scaled-down version of a real manufacturing facility
47
Which step comes after brainstorming ideas?
improve
choose the best idea
build a prototype
research
48
Using a calculator for long division is an example of which type of technology?
methodology or technique
artifact or hardware
system of production
social-technical system
49
Who tries to discover and understand the natural world?
technician
scientist
engineer
teacher
50
Which is adaptive?
laser eye surgery
wheelchair
retainer
crutches
