What makes a strong and stable structure?

• wide base
• triangles
• decreasing perimeter
• all of these

What is often the weakest part of a structure?

• columns
• beams
• foundations
• joints

What is the force that squeezes materials together?

• compression
• tension
• shear
• torsion^

What is the force that stretches a material apart?

• compression
• tension
• shear
• torsion

What is the final step in the engineering design process?

• imagine
• ask
• improve
• create

Strong gusts of air are examples of ____________________.

• dead load
• live load
• critical load
• wind load

What is the First Step of the Engineering Design Process

• Testing Solutions

• Designing Solutions

• Identifying the Problem

• Planning Solutions

During which step of the Design Process do you experiment with the prototype under controlled conditions and collect /record data?

• Test the Model

• Construct a Model

• Identify Failure Points

• Reflect and Redesign

Tags

NGSS.MS-ETS1-4

Which word best describes a constraint?

• option
• opportunity
• limitation
• goal

Tags

NGSS.MS-ETS1-1

Which answer (or answers) best describes criteria?

• how the model could fail

• the limits of the model

• what the model must look like

• what the model must do

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2