Notes
True or False: Engineering is a branch of science and technology
True
The primary purpose of a bridge is...
To provide safe passage over obstacles.
What kind of bridge were you tasked with designing and creating?
Truss Bridge
What is the first step of the Engineering Design Process?
Define a problem that addressed a need.
A prototype is...
Model
Who designs bridges?
Structural Engineers
According to Dr. Mabry, bridges last for how many years?
a. 25
b. 100
c. 75
75 Years
You had to think about tension and compression when constructing your bridge?
True
To help you make it sturdy
What is step 2 of the Engineering Design Process?
Identify criteria, constraints, and priorities
Criteria or Criterion in Engineering is best described as...
The goals or rules that a solution must meet to be successful.
Bill Nye video mentioned that _____ follows _______.
Form follows Function
Why is the base of a structure important?
It supports the weight of the structure
What mass was involved during the Bridge Design Lab Prooject?
What are steps 3 & 4 of the Engineering Design Process?
Explore, Research, Discover, Investigate possible solutions.
Constraints in Engineering are...
The limits or restrictions, like time, money, materials, or size, that engineers must work with.
If a claim cannot be tested, it is referred to as...
Pseudoscience
What is a truss?
A framework that supports a bridge or structure that usually includes triangles or X's
Two constraints when building the popsicle bridge are...
1. Limited Materials
2. Time
What is step 6 of the Engineering Design Process?
Test a proposed solution and collect data
What is Engineering?
The process of using science, math, and design to solve real-world problems.
Name 3 bridges located in Portland, OR
Define Tension and Compression
Tension - Pulling force
Compression - Pushing force
Which steps in the Engineering Design Process did you complete when working on the bridge lab?
All the steps (1-8)
What are steps 7 & 8 in the Engineering Design Process?
Evaluate and improve the design based on the performance criteria, constraints, priorities, and trade-offs.
Share your results
Iteration is when something is
Repeated multiple times