Bridge Scientific InQuiryt Quiz Review

A TRUSS BRIDGE is supported only at 2 ends, but it is strengthened by an assembly of interconnected TRIANGLES, or

• gusset plates

• trusses

• nodes

• dead load

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

The I-35W bridge was a(n) ______ designed in the early 1900's.

• gusset plate

• truss

• node

• dead load

The BEAMS in the bridge's deck and the TRIANGULAR and VERTICAL SUPPORTS came together at structures known as

• gusset plates

• trusses

• nodes

• dead loads

The area where the TRUSS connects to the roadway part of the bridge GUSSET PLATES is called a

• gusset plate

• trusse

• node

• dead load

Why was it DIFFICULT to evaluate why the collapse occurred?

• The bridge failed because it was overloaded.

• Emergency workers unintentionally damaged the bridge.

• Some of the gusset plates failed.

What did the investigators do when the ENTIRE STRUCTURE was RECOVERED?

• They placed the various pieces in their original positions.

• They separated all pieces.

How did investigators find MORE CLUES about the bridge collapse?

• They interviewed many people who saw the bridge collapse.

• They watched a video from a motion-activated security camera.

• They analyzed the pieces that were placed back on their original positions

What did various investigators NOT STUDY to determine the CAUSE of the BRIDGE COLLAPSE?

• People's observations of the collapse.

• Various questions why the bridge collapsed

• Combination of factors that may have caused the collapse

The TEMPORARY LOADS to a structure such as traffic, wind gusts, or earthquakes are called

• dead loads

• gusset plated

• live loads

• nodes

What did investigators RULE OUT after thorough modeling and analysis?

• The bridge failed due to being overloaded.

• The bridge collapsed due to failed gusset plates.

• The bridge failed to a combination of dead load and live load.

Tags

NGSS.MS-ETS1-3