The Design Process
True or False: Cost is a constraint.
True, money is a real life limitation.
Criteria or Constraint:
You must spend no more than $25 on materials.
Constraint
True or False: Effects of technology can be both positive and negative.
True, technology can effect people in many ways.
True or False:
A chair is a product of engineering.
True
Giving up one feature of a design to gain another feature is called...
a. criteria
b. erosion
c. tradeoff
c. tradeoff
True or False: You define the problem AFTER you brainstorm solutions.
False, you must define the problem in order to brainstorm solutions.
Criteria or Constraint:
The project must be able to withstand strong wind.
Critera
An example of a positive affect of car related technology is...
Acceptable answers:
ability to move people and things
ability to travel long distances
True or False:
You would likely see technology when taking a hike through nature.
False, natural living things are not technology.
Cutting down trees in order to make room for the planting of crops is called...
a. deforestation
b. erosion
c. tradeoff
a. deforestation
Which of the following steps are usually part of defining a problem?
a. evaluating the design
b. finding a problem to be solved
c. doing additional research
d. testing a solution
b. finding a problem to be solved
c. doing additional research
Criteria or Constraint:
The object should be lightweight.
Criteria
An example of a negative effect of car related technology is...
Acceptable answers:
Pollution
Traffic
Sprawl
Decrease in physical activity
What was engineered in order to solve the problem of complex math problems being too difficult?
The desirable features of a solution are called...
Criteria
If you were going to build a jungle gym for preschool age children, what would be some of the criteria?
Acceptable answers:
Small enough for small children
Fun and interesting to children
Safe
Near neighborhoods where small children live
Criteria or Constraint:
The project must be completed today.
Constraint
True or false: I can buy a car with a better appearance at a lower cost.
False, cars with better appearances cost more and vice versa.
Scientists and engineers both...
a. solve problems
b. add to knowledge
c. use mathematics and computational thinking
c. use mathematics and computational thinking
The real world limits of a solution are called...
Constraints
Put the steps in the correct order...
a. Ask questions to learn more about the problems.
b. Decide which solutions best met the criteria and constraints.
c. Assign someone to record ideas.
d. Identify constraints and criteria for a good solution.
e. Discuss the ideas to reduce the number of possible solutions.
f. Test the solution to see if the problem has been solved.
a. Ask questions to learn more about the problems.
d. Identify constraints and criteria for a good solution.
c. Assign someone to record ideas.
e. Discuss the ideas to reduce the number of possible solutions.
b. Decide which solutions best met the criteria and constraints.
f. Test the solution to see if the problem has been solved.
Criteria or Constraint:
a. You must build the project without any help.
b. You must place the project in a safe location.
a. Constraint
b. Constraint
Give an example of car technology that was designed to keep people safe.
Acceptable answers:
airbags
seat belts
Which of the following are examples of key practices for scientists and engineers...
a. composing music
b. arguing in court
c. analyzing and interpreting
d. designing solutions based on models
e. asking questions
c. analyzing and interpreting
d. designing solutions based on models
e. asking questions
Engineering