Science exam terms Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

ergonomics

A

making a product easier and more efficient for human beings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

solid structure

A

relies on solid materials to support loads

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

frame structure

A

the skeleton supports the weight of the structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

shell structures

A

solid outer structure and hollow inner structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

internal forces

A

forces from the inside (for example, weight)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

external forces

A

forces from the outside (for example, hurricane)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

magnitude

A

the amount of force being applied to a structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

direction

A

direction at which the force is being applied

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

point of application

A

where the force is being applied

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

stability

A

determined by the materials, centre of gravity, and structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

plane of application

A

the angle which the force is being applied

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

separating mixtures

A

ways to separate mixtures are evaporation, distillation, magnetism, filtration, chromatography

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

pure substances

A

a substance made out of one type of atom or molecule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

mixtures

A

a material made up of two or more substances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

components of a solution

A

solute and solvent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

concentration

A

the amount of solute and solvent

17
Q

saturation

A

no more solute can be added or dissolved

18
Q

periodic table

A

a table listing all known elements

19
Q

particle theory

A

matter is made up of small particles which are constantly moving

20
Q

forms of heat transfer

A

convection, conduction and radiation

21
Q

convection

A

transfer of heat through fluid (liquid or gas) caused my a molecular motion

22
Q

conduction

A

transfer of heat or electric current from one substance or another by direct contact

23
Q

radiation

A

energy that is radiated or transmitted in the form of rays, waves or particles

24
Q

solar energy and greenhouse effect

A

the atmosphere and earth gain energy that they absorb from the sunś radiation that warms the planet

25
Q

fossil fuels

A

fuel sources created over millions of year from dead organisms

26
Q

green energy

A

energy sources that do not contribute to greenhouse gas (solar, wind, tidal)

27
Q

Linnaean taxonomy

A

method used to classify all living things (DKPCOFGS - Dear Kevin Please Come Over For Grading Science)

28
Q

Ecosystem

A

a biological community of organisms and their physical environment

29
Q

biotic factors

A

living parts of an ecosystem (animals and plants)

30
Q

abiotic factors

A

non-living contributors to an ecosystem (example, water, sun, rocks, etc.)

31
Q

succession

A

the process in which plants fill an environment over time

32
Q

trophic levels

A

the level of organisms in an ecosystem based on their level on the food chain

33
Q

energy flow

A

the energy passed on from an organism as they move up the food chain (90% of the energy the organism had is lost as it is consumed)

34
Q

human impact

A

human actions that impact the environment such as habitat destruction, resource use, land change