Instructions
1) You do not need to type in your name in the space in the top-left
area above. The results of this study guide will not be sent to your teacher.
2) Carefully
read each question and all the answer choices.
3) Select the correct letter from the
drop-down feature to the left of each question.
4) When you are finished, click the
“Check Your Work” button in the bottom-left corner of the page.
5) The software
will grade your work, and then it will show you the results. Note that the correct answer will be
displayed beneath the questions.
6) Keep doing the study guide over until you earn a 100
on it.
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1.
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Some scientists want to design a system of instruments that will evaluate ocean
currents, temperatures, and winds in order to predict weather patterns.
What should they do
before they produce the first complete working version of the system?
a. | improve the design of the system | b. | evaluate the results of the
system | c. | build a prototype of the system |
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2.
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A group of engineers designed and constructed
a flying car prototype. Their goal is for the car to enable people to safely fly to and from work
instead of getting stuck in traffic jams.
How will the engineers
determine that this prototype meets their design specifications
a. | Have a test pilot attempt to
fly it from one location to another. | b. | See if the car can hover one meter above the ground for 20 minutes.
| c. | Drive on the car at highway
speeds on an interstate roadway at night time. |
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3.
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Engineers plan on developing a new drill for use on oil rigs. | Image 01: Shallow Ocean-Oil
Rig | |
What
should the engineers do first in order to develop the new drill?a. | conduct research on features for a new drill | b. | determine the
materials needed to build the new drill | c. | build a prototype of the new
drill |
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4.
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A factory produced a new type of refrigerator
designed to use less electricity. The machine was manufactured and sold to the public at Target,
Walmart, and K-Mart. After several months, reports showed that this refrigerator was not working
correctly.
Which choice below is the most likely cause?
a. | The proper cost analysis was not
performed. | b. | The designers did
not test other types of machines. | c. | They did not
rigorously test and modify the prototype |
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5.
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Technicians plan to develop a new type of keyboard that will have alphabet
letters in different positions from a standard keyboard. Which will best help the technicians decide if the new keyboard is an
improvement over the standard one?a. | analyzing the problems that people have using standard keyboards | b. | asking people their
opinions of how they like standard keyboards | c. | comparing the speeds at which people type on
each style of keyboard |
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6.
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A technology company has identified the need for a
smaller laptop computer that weighs less, but they do not have enough knowledge about how to build
it.
What would be the next logical step engineers would take to design and produce this
laptop computer?
a. | build a new type of laptop
battery | b. | research current laptop
technology | c. | Build a prototype
computer |
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7.
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Some researchers are developing a new fertilizer designed to improve the growth
of plants in hot, dry climates. The fertilizer was applied to one hundred desert plants in a
greenhouse. The average daytime temperature in the greenhouse was 95°F, and the humidity level
was low.
---The 100 fertilized plants grew an average of 3 cm over 30 days.
---100 other
similar plants that were not given fertilizer only grew an average of 1 cm during the same time
period.
Which is best for the researchers to do next?
a. | change the conditions in the greenhouse and retest the fertilizer | b. | begin selling the
fertilizer to gardeners living in hot, dry climates | c. | test the fertilizer on plants that are adapted
to cooler climates |
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8.
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An emergency-equipment
company makes warning-signal flares. The company wants to redesign a flare so that it produces
light for a longer period of time.
After the company thinks of ideas, what is the next step in the design
process?
a. | build a
prototype | b. | define the problem | c. | decide on the best improvement |
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9.
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A student builds
an electromagnet with a battery, a wire, and a nail. | | |
How will
the student know if the electromagnet works after it is completed?a. | observe if metal objects are
attracted to the electromagnet | b. | touch the battery to determine if it has become
hot | c. | count the number of coils wrapped around the
nail |
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10.
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A design team built a prototype robot that is a
vacuum cleaner. Their goal is for the robot to be able to vacuum people’s homes on its own with
no human supervision.
How will the team know if the robot prototype works after it is
completed?
a. | Place it in someone’s
home, and see if it can vacuum the carpets on its own. | b. | They should go ahead
and build a prototype of this design. | c. | Place it in a grassy field, and observe to see if it can vacuum up dirt and
sand. |
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