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WorksheetsScience Finals Study Guide
Total questions: 24
Worksheet time: 12mins
Scientists use models for all of the following except
to conduct safety tests on new or existing items
to make predictions that affect our everyday lives
to study a true representation of how a system operates
to answer difficult questions that cannot be answered by direct observation
Simulations
can be used to improve the performance of a piece of technology
can be used to predict future events
can be used to test designs in a less expensive way
all of the above are true
__________________ models allow scientists to study objects that are too small, too large, too distant, or too dangerous to view completely.
Concept
Physical
Mathematical
None of the above
__________________models are comprised of numbers and equations to show patterns or make predictions.
Concept
Physical
Mathematical
None of the above
______________________models are representations of relationships within processes of a system that cannot be directly observed.
Concept
Physical
Mathematical
None of the above
A model of the water cycle is an example of a
scale model
physical model
mathematical model
conceptual model
A model of a race car purchased at a hobby shop is an example of a
conceptual model
physical model
mathematical model
simulation
A graph in which the relationship between the independent variable and the dependent variable can be shown with a straight line is called a
Bar graph
Linear graph
Nonlinear graph
Circle graph
When the value of one variable increases as the value of the other also increases, the relationship is said to be
A direct relationship
An inverse relationship
Non-existent
Decreasing relationship
What are the advantages of using the SI System of Measurement?
Scientists worldwide can compare and share observations and results
Unit conversions can be made by adding or subtracting by a multiple of 10
Both a and b
None of the above
When a pitcher consecutively pitches a dozen strikes low and on the outside corner, his pitching would be considered
Accurate
Precise
Both accurate and precise
Neither accurate nor precise
The actual measurement of the mass of an object is 14.6g. You tripled checked your measurement of that same object and calculated 18g, 18.2g, 18.1g. Your measurements are
Accurate
Precise
Both accurate and precise
Neither accurate nor precise
__________is the application of science and math to solve real -life problems
Creative thinking
A trade-off
Engineering
Redesigning
The product made and modified during the engineering and design process is called
A prototype
technology
science
none of the above
Which of the following is not true about technology
The goal of technology is to meet human needs
Technology is the application of science for practical purposes
Technology includes only electronic advancements
All of the above are true statements
the acronym S. T. E. M. stands for
Solving Technological and Engineering Matters
Science, Technology, Engineering and Mathematics
Science Teamwork Evolves Minds
Stressed Teachers Educate Many
What could be the next step when a prototype does not show promise through the testing and evaluation?
Return to the brainstorming age
Revise the prototype by modifying the design
Send the prototype to a company for productions
a or b are correct options
The following are examples of career areas in engineering
environment, electrical, mechanical
education, nursing, physical
robotic, chemical, architectural
both a and c
Engineers perform a____________________to compare negative and positive effect involving technology.
life-cycle analysis
Pugh chart
risk-benefit analysis
prototype
To determine how a technology might affect the environment from the time it is made, sold and used to the time it must be disposed of, engineers do a
life-cycle analysis
Pugh chart
risk-benefit analysis
prototype
A great way to compare features is to
create a prototype
make a risk-benefit analysis
design and use a Pugh chart
both a and b
A______________is a group of interacting parts that work together to do a job.
system
prototype
trade-off
all of the above
Input is to output as
entering is to exiting
open is to closed
control is to feedback
all of the above
Which part of a flashlight is the control and is it automatic or manual?
switch, automatic
light bulb, automatic
switch, manual
light bulb, manual
