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Science 7 Unit D - Section 4

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

What is a margin of safety?

a)

the limits within which a structure's safety performance is not acceptable

b)

the limits within which a structure’s safety performance is felt to be acceptable.

c)

conditions a structure must meet after it is built to show it is performing to certain standards

d)

the limits set by the government to make money from people who don't follow rules

2.

Which one of these joints relies on friction?

a)

Tape

b)

Glue

c)

Staple

d)

Welding

3.

Which one of these is an environmental factor that designers need to take into account

a)

Cost

b)

Aesthetics

c)

Terrain Conditions

d)

Consumer Demand

4.

What is an example of corrugation

a)

glass

b)

fabric

c)

cardboard

d)

hardwood flooring

5.

What is an example of lamination?

a)

plywood

b)

cardboard

c)

fabric

d)

bulletin board

6.

What is the climate condition that affects buildings in Northern Canada

a)

polar bear attacks

b)

cost of materials

c)

permafrost

7.

What is ductility?

a)

How easily the material can be shaped

b)

How easily the material can be made into a wire

c)

How easily the material can be used to rescue ducks

d)

A tube or passageway in a building or machine for air, liquid, cables, etc.

8.

What is plasticity

a)

How easily does the material break

b)

How easily can the material be made into a wire

c)

How easy is the material to shape

d)

How much the material can be compressed without breaking