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WorksheetsTechnology Foundations/ Intro to Tech
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
In technology, humans change the environment using ____.
a)
A. systems
b)
B. machines
c)
C. materials
d)
D. All of the above.
2.
Which of the following periods provided the technology of the printing press?
a)
A. Stone Age.
b)
B. Bronze Age.
c)
C. Iron Age.
d)
D. Middle Ages.
3.
Because it is always changing and causing change, technology is considered to be a(n) ____ process.
a)
A. static
b)
B. inert
c)
C. dynamic
d)
D. scientific
4.
During the Renaissance, ____.
a)
A. Leonardo da Vinci drew plans for a movable bridge
b)
B. Edmund Cartwright invented a power loom
c)
C. humans learned how to harness fire for heating
d)
D. the waterwheel was discovered
5.
____ is a measure of the ability to amplify the amount of effort exerted using a mechanical device.
a)
A. Mechanical advantage
b)
B. Optimization
c)
C. Mechanical engineering
d)
D. Advantage modification
6.
In engineering, ____ are procedures designed to examine a particular technological device to ensure it works as designed and meets desired specifications.
a)
A. hypotheses
b)
B. experiments
c)
C. tests
d)
D. None of the above.
7.
Mathematics is a tool that allows people to ____ the world by expressing situations as numbers, equations, and inequalities.
a)
A. observe
b)
B. optimize
c)
C. qualify
d)
D. quantify
8.
Innovations are ____.
a)
A. new products or processes that solve a problem and that did not previously exist
b)
B. refinements or improvements made to preexisting products or processes
c)
C. proposed explanations of a situation
d)
D. the processes used to communicate a solution
9.
The conversion of raw materials into useful products is the focus of ____ engineering.
a)
A. chemical
b)
B. civil
c)
C. mechanical
d)
D. electrical
10.
The term iterative means ____.
a)
A. trial-and-error
b)
B. scientific
c)
C. repetitive
d)
D. unique
11.
Engineers need to accurately measure and then ____ their designs.
a)
sketch
b)
dimension
c)
estimate
d)
All of the above.
12.
Which of the following is not a main step in the general problem-solving process?
a)
A. Evaluate the plan.
b)
B. Devise a plan for solving the problem.
c)
C. Build a model.
d)
D. Develop an understanding of the problem.
13.
The first step in the engineering design process is to ____.
a)
A. communicate the solution
b)
B. gather information
c)
C. identify and define the problem
d)
D. develop a design solution
14.
Formulating a problem statement is done in the ____ step of the engineering design process.
a)
A. gather information
b)
B. develop a design solution
c)
C. communicate the final solution
d)
D. identify and define a problem
15.
The develop a design solution step of the engineering design process involves all of the following tasks, except ____.
a)
A. creating and refining several possible solutions
b)
B. determining test criteria for the solution
c)
C. selecting and refining the most promising solution ideas
d)
D. describing the best design solution
16.
Which of the following statements about technological systems is false?
a)
A. Technological systems interact with natural systems.
b)
B. Each technological system meets a single, specific goal.
c)
C. Technological systems vary in size and complexity.
d)
D. In technological systems, feedback is collected as a way to achieve the desired output.
17.
Organizing is a management function that involves ____.
a)
A. setting goals and developing courses of action to achieve goals
b)
B. dividing tasks into major segments so tasks can be achieved and resources assigned
c)
C. starting the operation of the system through assigning and supervising work
d)
D. comparing the system output to the goal
18.
Which of the following is not an output?
a)
A. Operated machines.
b)
B. Transported goods.
c)
C. Manufactured products.
d)
D. Constructed structures.
19.
Engineering design is ____.
a)
A. associated with achieving specific goals
b)
B. associated with the application of mathematical and scientific knowledge
c)
C. an important part of many industries
d)
D. All of the above.
20.
Construction technologies involve the ____ of structures.
a)
A. design, purchase, and demolition
b)
B. building, occupancy, and maintenance
c)
C. design, assembly, and maintenance
d)
D. None of the above.
21.
Engineers working in transportation technologies are challenged to reduce dependence on ______________________________ resources.
a)
A. exhaustible
b)
B. organic
c)
C. inexhaustible
d)
D. renewable
22.
Engineers and scientists seek to develop ____ medicines that are adjusted to an individual’s specific genetic makeup.
a)
A. orphan
b)
B. personalized
c)
C. genetic
d)
D. placebo
23.
Biotechnology and agricultural technologies are fields concerned with the application of ____ to meet the wants and needs of humans.
a)
A. living organisms
b)
B. medicines
c)
C. manufacturing
d)
D. All of the above.
24.
During the Bronze Age, smelting was used to ____.
a)
A. separate bronze into tin and copper
b)
B. create bronze from lead and copper
c)
C. create bronze from a tin oxide mineral
d)
D. convert bronze into a tin oxide mineral
25.
Flammability is an example of a(n) ____ property.
a)
A. thermal
b)
B. chemical
c)
C. electrical
d)
D. physical
26.
The maximum pulling force a material can withstand prior to failure is called its ____.
a)
A. tensile strength
b)
B. hardness
c)
C. ductility
d)
D. thermal fatigue
27.
A semiconductor is ____.
a)
A. both a good conductor and a good insulator
b)
B. a good conductor but a poor insulator
c)
C. a poor insulator but a good conductor
d)
D. None of the above.
28.
In scientific terms, ____ is applying a force that moves a mass a distance in the direction of the applied force.
a)
A. power
b)
B. work
c)
C. energy
d)
D. energy conversion
29.
A hammer striking a nail is an example of ____ energy.
a)
A. stored
b)
B. potential
c)
C. kinetic
d)
D. stationary
30.
The most common sources of ____ energy are petroleum, natural gas, and coal.
a)
A. radiant
b)
B. mechanical
c)
C. chemical
d)
D. thermal
31.
Heat energy is another name for ____ energy.
a)
A. thermal
b)
B. radiant
c)
C. nuclear
d)
D. mechanical
32.
Solar collectors that use pumps to circulate the warmth collected from solar energy are called ____ collectors.
a)
A. passive
b)
B. direct
c)
C. indirect
d)
D. active
33.
A(n) ____ solar system uses solar collectors or greenhouses that are separate from the house.
a)
A. isolated
b)
B. direct-gain
c)
C. indirect active
d)
D. indirect-gain
34.
A photovoltaic cell is ____.
a)
A. a type of windmill
b)
B. used in the production of nuclear energy
c)
C. a type of solar converter
d)
D. None of the above.
35.
A biochemical conversion process that uses yeast to decompose material is called ____.
a)
A. anaerobic digestion
b)
B. fermentation
c)
C. pyrolysis
d)
D. liquefaction
36.
The movement of heat along a solid material or between two solid materials that touch each other is called ____.
a)
A. convection
b)
B. radiation
c)
C. conduction
d)
D. external combustion
37.
A hydroelectric plant turns the energy in ____ into ____ energy.
a)
A. wind, mechanical
b)
B. water, electrical
c)
C. water, chemical
d)
D. the sun’s rays, electrical
38.
Which of the following statements about electrical engineering is false?
a)
A. Electrical engineers use design skills as well as mathematics and science.
b)
B. Electrical engineers are involved in testing devices.
c)
C. Electrical engineering is considered the narrowest discipline of engineering.
d)
D. Electrical engineering tasks include developing communication systems and power grids.
39.
An algorithm is a ____.
a)
A. set of step-by-step operations
b)
B. programming language
c)
C. calculation for processing information
d)
D. form of electrical circuit
40.
Software engineers are involved in the ____ of software.
a)
A. design
b)
B. analysis
c)
C. updating
d)
D. All of the above.
41.
The relationship between voltage, resistance, and current in electrical circuits was defined by ____.
a)
A. Benjamin Franklin
b)
B. George Ohm
c)
C. Alessandro Volta
d)
D. ancient Greeks
42.
Wires in electrical circuits are typically made of ____.
a)
A. aluminum
b)
B. copper
c)
C. steel
d)
D. brass
43.
Which of the following is a correct statement of Ohm’s law?
a)
A. Current equals voltage divided by resistance.
b)
B. Voltage equals current divided by resistance.
c)
C. Resistance equals voltage multiplied by current.
d)
D. All of the above.
44.
Which of the following materials is a semiconductor?
a)
A. gold
b)
B. silicon
c)
C. glass
d)
D. All of the above.
45.
An open ____ interrupts the flow of electrons from a power source in an electrical circuit.
a)
A. capacitor
b)
B. resistor
c)
C. electrical switch
d)
D. diode
46.
A diode does which of the following?
a)
A. Reduces current and voltage by turning current into heat energy.
b)
B. Stores an electrical charge in the form of an electric field.
c)
C. Allows electrical current to pass through it in only one direction.
d)
D. Amplifies signals for speakers.
47.
Alternating current is produced by a(n) ____.
a)
A. electric motor
b)
B. electrical generator
c)
C. rectifier
d)
D. None of the above.
48.
Digital logic enables complex decisions to be made within computer systems based on ____ questions.
a)
A. multiple choice
b)
open-ended
c)
yes or no
d)
All of the above.
49.
Which of the following statements about binary code is true?
a)
A. Binary code consists of 0s, 1s, and 2s.
b)
B. On is represented by 0, while off is represented by 1.
c)
C. Computers operate using an infinite number of binary digits.
d)
D. A series of 1s and 0s can represent different numbers.
50.
Which of the following may be considered a negative technological consequence?
a)
A. Increased communication ability.
b)
B. Air pollution.
c)
C. Microcomputers.
d)
D. None of the above.
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