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Science 7A > Things I Have Trouble Remembering > Flashcards

Things I Have Trouble Remembering Flashcards

1
Q

Layered materials are also called…

A

Laminations

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2
Q

When engineers choose what materials to use while building they have to consider…

A

Cost
Appearance
Environmental impact
Energy efficiency

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3
Q

Internal forces are the…

A

Result of external forces

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4
Q

A dead load is…

A

A permanent force acting on a structure.

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5
Q

A live load is…

A

A non-permanent force acting on a structure.

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6
Q

Definition: Torsion strength

A

Measuring the amount of torsion a material can stand.

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7
Q

Three key things that help structures withstand forces are…(3)

A

Distributing the load throughout the structure.
Direct forces to hold pieces together
Shape the parts to withstand specific types of force

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8
Q

The worlds food supply is based on seven crops, list two.(2)

A

Barley

Cassava

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9
Q

Uses of plants are…

A 
Using carbon dioxide but giving off air
The base of most food webs
Shelter
Cleaning and filtering water
Prevention of soil erosion
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10
Q

Fibrous roots are…

A

Shallow system of roots that quickly soak up moisture.

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11
Q

Some edible roots are…(3)

A

Parsnips
Radishes
Turnips

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12
Q

Types of stems are…(2)

A

Rhizomes

Tuber

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13
Q

Equation:

A

CO2+H2O+Sunlight+Nutrients+Sugar+O2

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14
Q

Definition: Respiration

A

The process of plants using O2 and releasing CO2, takes place at night .

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15
Q

Definition: Germination

A

Development of a seed into a new plant

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16
Q

Plants grown in Alberta, only three I cant remember.(3)

A

Oats
Barley
Legumes

17
Q

Definition:Irrigation

A

Watering crops using a system of large pipes and sprinklers

18
Q

Definition: Monoculture

A

Only growing one type of plant in a field

19
Q

Types of trees in Alberta are…(6)

A 
Lodgepole pine
White Spruce
Black spruce
Aspen 
White Burch
Tamarack(Larch)
20
Q

Development of soil needs…(5)

A 
Parent Material
Vegetation
Landscape
Climate
Time
21
Q

Definition: Mechanical Forces

A

Friction

22
Q

Geothermal Forces are…

A

Harnessed from the earths interior

23
Q

Definition: Cogeneration

A

Using waste heat to heat heeded areas

24
Q

The rock cycle

A

Rocks changing in an ongoing process

25
Q

Normal fault

A
26
Q

Reverse fault

A

->

27
Q

Strike slip or transform fault

A

| ¥ |

^

28
Q

Definition: Thrust faulting

A

Like Shingles

Science 7A (12 decks)

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