Things I Have Trouble Remembering Flashcards
Layered materials are also called…
Laminations
When engineers choose what materials to use while building they have to consider…
Cost
Appearance
Environmental impact
Energy efficiency
Internal forces are the…
Result of external forces
A dead load is…
A permanent force acting on a structure.
A live load is…
A non-permanent force acting on a structure.
Definition: Torsion strength
Measuring the amount of torsion a material can stand.
Three key things that help structures withstand forces are…(3)
Distributing the load throughout the structure.
Direct forces to hold pieces together
Shape the parts to withstand specific types of force
The worlds food supply is based on seven crops, list two.(2)
Barley
Cassava
Uses of plants are…
Using carbon dioxide but giving off air The base of most food webs Shelter Cleaning and filtering water Prevention of soil erosion
Fibrous roots are…
Shallow system of roots that quickly soak up moisture.
Some edible roots are…(3)
Parsnips
Radishes
Turnips
Types of stems are…(2)
Rhizomes
Tuber
Equation:
CO2+H2O+Sunlight+Nutrients+Sugar+O2
Definition: Respiration
The process of plants using O2 and releasing CO2, takes place at night .
Definition: Germination
Development of a seed into a new plant