Criteria and Constraints
What is a criteria?
A requirement
What is the first step of the EDP?
Identify the Problem
Which tool is used to measure 1 foot?
Ruler
What is Flexibility?
Ability to bend without breaking.
What is the step that is ONLY part of the EDP?
Improve
What is a constraint?
A limitation
In which step do I choose what prototype to make?
Plan and select a solution
Which tool is used to cut things in half?
Jigsaw
Name a property of wood.
Poor conductor
Opaque
Hardness
Flamability
What is a prototype?
a working version of the project.
I need to build a new bridge that cannot cost more than $10,000.
Name a constraint.
Money
In which step are you researching?
Brainstorm Solutions
Which category do these tools belong?
Hammer, Screwdriver, Pliers, Wrench
Hand Tools
What is a property of metal?
Ductility, Hardness, Conductor, etc.
If 1 unit =10 in and the shape is 10units long. How long is the shape in inches?
100in
The solar oven cannot take more than 10 weeks to build and has to cook the turkey.
Name the criteria.
cook the turkey
I just built my prototype what step am I doing next?
Test and Evaluate
Match the hand tool to its fastener.
Wrench:
Hammer:
Screwdriver:
Wrench: Nuts and Bolts
Hammer: Nails
Screwdriver: Screws
What is the definition of property?
an attribute, quality, or characteristic of something.
If the object is 2.5 inches and 0.25in=1 foot. How big is the object?
10 feet
I am building a car that needs to drive across the country in 6 weeks.
Name 1 constraint and 1 criteria.
Criteria- drive across the country
Constraint- 6 weeks
Identify the problem
Brainstorm Solutions
Plan and Select a Solution
Create a Prototype
Test and Evaluate
Improve
Communicate Results
List all of the fasteners.
Tape, Glue, Staples, Nails, Screws, Nuts and Bolts
What is Ductility?
Change its shape without changing strength or breaking.
List one tool from each tool category.
Measuring: ruler, measuring tape, meter stick
Hand: Hammer, screwdriver, plier, wrench
Fasteners: Screws, nails, nuts and bolts, glue, tape, staples
Power: jigsaw, sander, drill