Unit Two

Question 1

Definition: Structures

Answer 1

Buildings

Question 2

Definition: Natural Structure

Answer 2

A structure that is not man-made

Question 3

Definition: Manufactured Structures

Answer 3

Man-Made structures

Question 4

Definition: Forces

Answer 4

Push or pull or anything that causes change in an objecy

Question 5

Definition: Load

Answer 5

The weight carried by a structure

Question 6

Definition: Mass Structure

Answer 6

A layered structure,bricks, book,etc.

Question 7

Definition: Frame structure

Answer 7

A structure that is like a skeleton

Question 8

Definition: Shell Structure

Answer 8

Strong, hollow strictures

Question 9

Definition: Function

Answer 9

What something does

Question 10

Definition: Aesthetics

Answer 10

The physical appearance of something, usually good

Question 11

Definition: Safety

Answer 11

To make something safe

Question 12

Definition: Balancing Cost With Safety

Answer 12

To design something safe and in the budget

Question 13

Definition: Materials

Answer 13

What you use to build something

Question 14

Definition: Composite Materials

Answer 14

Made from more than one material

Question 15

Definition: Layered Materials

Answer 15

A layered Material

Question 16

Definition: Woven or Knit Material

Answer 16

A woven or knit material

Question 17

When engineers design a building they always consider…(4)

Answer 17

Cost of Materials
Appearance
Environmental Impact
Energy Efficiency

Question 18

Definition: Joints

Answer 18

Where a structures parts are joined together

Question 19

Definition: Mobile Joints

Answer 19

Joints that allow movement

Question 20

Definition: Rigid Joints

Answer 20

A joint that attacks parts of a structure that does not allow movement.

Question 21

Definition: Fasteners(3)

Answer 21

Nails Bolts Screws

Question 22

Definition:Interlocking Shapes

Answer 22

Like lego

Question 23

Definition: Ties(3)

Answer 23

String, rope, thread

Question 24

Definition: Adhesives(1)

Answer 24

Glue

Question 25

Definition: Melting(2)

Answer 25

Welding or Soldering

Question 26

List one example of a mobile joint(1)

Answer 26

Swingset

Question 27

List one example of a rigid joint

Answer 27

Chair

Question 28

List the types of forces.(4)

Answer 28

Shear Torsion Compression Tension

Question 29

Definition: Grams

Answer 29

Balance scale | Measures mass

Question 30

Definition: Newtons

Answer 30

Spring scale | Measures firces

Question 31

Definition: Mass

Answer 31

The measure of amount in something

Question 32

Definition: Gravitational Force

Answer 32

The force of gravity measured in Newtons

Question 33

Definition: Force Diagram

Answer 33

A diagram showing forces using arrows

Question 34

Definition: External Forces

Answer 34

Forces that act on a structure from the outside

Question 35

Definition: Internal Forces

Answer 35

The result of External Structures

Question 36

Definition: Deformation

Answer 36

The change in a structure from forces

Question 37

Definition: Dead Load

Answer 37

A permanent force acting on a structure, after time it can sag, tilt, and pull apart.

Question 38

Definition: Live Load

Answer 38

A changing or non permanent force acting on a sturcture, snow, weight of people.

Question 39

Definition: Metal Fatigue

Answer 39

When a metal weakens due to stress

Question 40

Definition: Fulcrum

Answer 40

The part of a lever that does not move

Question 41

Definition: Lever

Answer 41

A device used to change the amount of force needed to move an object.

Question 42

Definition: Buckle

Answer 42

To protect something, car bumper

Question 43

Definition: Friction

Answer 43

Rubbing something together and making heat

Question 44

Definition: Stable

Answer 44

Balance

Question 45

Definition: Center of Gravity

Answer 45

The point at which all of the gravitational force may be considered to act

Question 46

Definition: Spin Stabilization

Answer 46

Something that spins on its axis