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Entrance Exam > PLMAT 2 > Flashcards

PLMAT 2 Flashcards

1
Q

Law of interaction

A

every action there is an equal but opposite reaction.

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2
Q

Law of acceleration

A

acceleration of object is proportional to net force

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3
Q

Weight 🌎

A

gravitational attraction exerted by earth

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4
Q

Mass

A

amount of matter

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5
Q

Volume

A

measure of space 🌌

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6
Q

Momentum

A

product of mass and velocity.
p = m x v.



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7
Q

Distance

A

length between reference point and designated position

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8
Q

Displacement

A

length between initial and final position.

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9
Q

Velocity

A

how fast an object moves in a given time

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10
Q

Two types of motion

A

curvilinear motion ex: Uniformly accelerated motion, Projectile

Linear Motion ex: freefall

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11
Q

Uniformly accelerated motion 🏃💨

A

maintains constant acceleration 🏃💨

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12
Q

Projectile

A

only force acting is on gravity.

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13
Q

Circular motion ⭕

A

force exerted on object directed towards the center.

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14
Q

Motion

A

easy to recognize but hard to describe.

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15
Q

Rate

A

quantity per unit of time

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16
Q

The most important parts of the eye are the: EIPLR

A

a. eyelid - opens and shuts the eye
b. iris - regulates amount of light entering the eye
c. pupil - opens and closes to control intensity
d. lens - refracts light to form images
e. retina - a screen where image is formed 📱

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17
Q

Nearsighted

A

see near objects but has difficulty focusing on far.

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18
Q

Farsighted

A

see far objects clearly but difficulty focusing near objects.

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19
Q

Astigmatism

A

unevenness in the curvature of the lens

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20
Q

Telescope

A

view large objects at very far distances

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21
Q

Radioactivity

A

process of atomic transformation.

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22
Q

Radiation

released?

A

energy released during a nuclear reaction.

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23
Q

Ionizing radiation
—–
_______ ________

A

enough energy to separate molecules

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24
Q

(4) general types of chemical reaction: CDSD

A

Composition/ Synthesis Reaction
two/more elements combine to form one compound.

Decomposition / Analysis
one compound breaks into two/ more

Single displacement
reactants replaces one of elements

Double displacement
two compounds produce 2 new compounds

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25
Q

Scientific Method involves the following processes and skills:
IFDCOIMIS

A
  1. Identifying a problem
  2. Formulating a hypothesis
  3. Designing a procedure to test the hypothesis
  4. Collecting data and presenting them in appropriate format
  5. Observing trends and patterns
  6. Interpreting data gathered
  7. Making generalizations and conclusions
  8. Identifying limitations and making recommendations
  9. Scientific Method is a continuous process used to collect observations, form and test hypothesis, make predictions, and identify patterns in the physical world.
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26
Q

force is capable of 🏧

A

changing size and shape

SI unit of the force is Newton.

27
Q

Forces types:

A

Contact forces
physical contact with one another.

Non- contact forces
not in physical contact with one another.

28
Q

Friction

A

force that opposes motion

29
Q

Gravitational force 👫

A

attraction between two objects in the universe.

30
Q

Ecology

A

study of organisms and their environment.

31
Q

Biotic factors

A

living component of ecosystem.

32
Q

Abiotic factors

A

non-living components

33
Q

Biosphere

A

parts of earth where life exists.

34
Q

Habitat

A

where an organism lives.

35
Q

ecosystem 🗣️

A

interacting with the abiotic parts



36
Q

Nebula

A

all stars came from huge clouds of gas and dust

37
Q

protostar is

A

very young star.

38
Q

⭐⭐ Star is old when 📛

A

it reached the red giant phase

39
Q

colloid

A

dispersion particles

40
Q

Once in a blue moon:

A

happens very rarely

41
Q

Beating around the bush:

A

avoiding main topic

42
Q

Cry over spilt milk:

A

complaining about a loss from the past

43
Q

Spill the beans:

A

tell a secret

44
Q

Piece of cake:

A

easy to understand or do

45
Q

Blessing in disguise

A

good and useful that did not initially seem that way

46
Q

Taste of your own medicine

A

someone receives the same treatment, usually negative, that he/she gives to others

47
Q

Apple of one’s eye: 🍎❤

A

cherished more than others

48
Q

Feeling a bit under the weather

A

feeling slightly ill

49
Q

Ball is in your court

A

it is up to you to make the next decision or step.

50
Q

Hear it on grapevine:

A

hear rumors about something

51
Q

Break the ice

A

initiate a social conversation or interaction

52
Q

At the drop of a hat:🎩

A

willingness to do something

53
Q

Afraid of one’s own shadow

A

easily frightened

54
Q

on cloud nine

A

very happy

55
Q

Give cold shoulder

A

ignore

56
Q

Hit the nail on the head:

A

do the correct thing

57
Q

Hit the bull’s eye:

A

to be exactly right about



58
Q

The Solar System

A

planets revolve around the stars



59
Q

Climate Change

A

blocking of solar radiation by pressure

60
Q

Global Warming

A

natural/artificial fluctuations in global temperatures

61
Q

Greenhouse Effect

A

Accumulation of heat because of absorption

62
Q

big bang theory

A

expansion and explosion

63
Q

🩸insulin 🩸

A

lower level of glucose in blood

Entrance Exam (2 decks)

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