Engineering Post Test

Look at the figure. Of what is this figure an example?

• Model
• hypothesis
• experiment
• observation

What is another name for information that an engineer gathers?

• observation
• hypothesis
• variable
• data

In an air conditioning system, what would the beginning temperature of the home be considered? 
(HINT: before the system turns on)

• feedback
• input
• control
• output

When scientists use a visual or mathematical representation to investigate something that is difficult to study, what is it called?

• a model
• a hypothesis
• an experiment
• an observation

Which of the following is an example of a limitation of a model?

• models cannot represent a thing exactly
• models cannot illustrate things that are dangerous
• models can't show things that are to far away
• models can't show things that are too large or too small

What is the BEST example of the designed world?

• a park
• a city
• a rural town
• a country side

What is the best example of technology and the environment depending on each other?
(Interdependence of technology and nature) 

• The telephone lets people communicate over long distances
• The car resulted in increased air pollution from vehicle emissions
• The steam engine helped lead to the invention of the internal combustion engine
• Photographs gave people the chance to see places they cannot visit

Which is the best example of interconnected technological systems?

• A person sweats after running, then cools off by taking a shower
• A person rides a bike over a nail, then the bike's tire bursts
• A person increases the heat setting on a thermostat, then the furnace turns on
• A person places fruit in a blender, then turns on the blender to make a smoothie

During which step of the engineering design process would a scientist publish a report in a scientific journal?

• conduct research
• prepare a design
• communicate results
• test a prototype

During what step of the engineering design process would a scientist go to the library?

• communicating results
• testing and evaluating
• defining the problem
• conducting research