Structure and Support

Which of the following is stored in the skeletal system?

• potassium

• calcium

• sodium

• phosphorous

A thick, hard outer covering that protects and supports an animal's body (like the scorpion) is called...

• hydrostatic skeleton

• exoskeleton

• shell-eton

Made of strong tissue that can contract.

• muscle

• joint

• ligaments

• cells

Tags

NGSS.MS-LS1-3

What happens when a muscle CONTRACTS?

• The muscle pushes on another bone.

• The muscle shortens.

• The muscle pushes on another muscle.

• The muscle gets longer.

Which of the following best describes the role of tension in a suspension bridge?

• Tension helps to compress the bridge deck.

• Tension pulls the cables tight to support the bridge.

• Tension pushes the towers apart.

• Tension reduces the weight of the bridge.

Tags

DOK Level 3: Strategic Thinking

How does understanding tension help in the design of cable-stayed bridges?

• Tension helps to compress the bridge deck.

• Tension helps to pull the cables tight for support.

• Tension helps to push the towers apart.

• Tension helps to reduce the weight of the bridge.

Tags

DOK Level 3: Strategic Thinking

What role does support play in maintaining the integrity of a structure?

• Support helps to increase the structure's height.

• Support helps to distribute forces evenly.

• Support helps to reduce the structure's weight.

• Support helps to change the structure's color.

Tags

DOK Level 3: Strategic Thinking

What is the strategic importance of using compression in the design of arches?

• Compression helps to pull the arch apart.

• Compression helps to push the arch together.

• Compression helps to reduce the arch's weight.

• Compression helps to change the arch's color.

Tags

DOK Level 3: Strategic Thinking

Which type of force is primarily responsible for the deformation of materials when they are twisted?

• Thrust

• Tension

• Shear

• Compression

Tags

DOK Level 3: Strategic Thinking

Why is it important to consider stress when designing materials for airplanes?

• To ensure the airplane is colorful.

• To calculate the airplane's speed.

• To prevent material failure during flight.

• To make the airplane lightweight.

Tags

DOK Level 3: Strategic Thinking