Unit 4 Structures And Forces Flashcards Preview

Theryn's Science Finals > Unit 4 Structures And Forces > Flashcards

Flashcards in Unit 4 Structures And Forces Deck (20):
1

________ are things made from one or more parts that serve a definite purpose or function

Structures

2

_________ structures are not made by people

Natural

3

________ joints are used in a structure to allow joined materials to move easily

Mobile

4

A persons's ___________ is really a measure of the gravitational force between the person and earth

Weight

5

_________ forces can make the soil under a heavy building shift sideways, causing the building to lean

Shear

6

A __________ is the weight that I structure must support

Load

7

________ structures provide enclosed open space and use very little building material

She'll

8

___________ is another word for "looking good" in structure design

Aesthetics

9

____________ material refers to any building material that is made up from two or more other materials

Composite

10

Plywood is stronger than normal would because it is _____________

Laminated

11

____________ is the unit of measurement for weight

Newton

12

Spider silk has a great deal of _________ strength

Tensile

13

____________card board was designed to provide less weight without compromising strength

Corrugated

14

__________ provide a stable foundation for bridges because they transfer the weight of the structure to the bedrock

Pilings

15

Is ordered to spread out the weight of a structure, foundation walls are set on concrete _____________.

Footing

16

Structures can be classified as _____________ or ______________ according to their origin

Natural and manufactured

17

____________ means less likely to tip

Stable

18

__________ ____________ is a weakening of metal due to stress, resulting in an accumulation of small cracks

Metal fatigue

19

______________ _______________ is the tendency of an object that is spinning on its axis and move in a predictable manner

Spin stabilizer

20

A ____________ is a circular device with a heavy outer rim that spins at a very fast rate

Gyroscope