Prefixes Flashcards

1
Q

mega (M)

A

10^6

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2
Q

kilo (k)

A

10^3

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3
Q

centi (c)

A

10^-2

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4
Q

milli (m)

A

10^-3

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5
Q

micro (u)

A

10^-6

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6
Q

nano (n)

A

10^-9

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7
Q

Theory

A

Attempt at explaining why something happens

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8
Q

Law

A

Summarized what happens (not why)

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9
Q

Quantitive observation

A

Involve numbers

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10
Q

Qualitative observation

A

Do not have numbers

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11
Q

Scientific method

A
  1. Make observations
  2. Formulate hypothesis
  3. Experiment
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12
Q

Hypothesis

A

A possible explanation for an observation

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13
Q

uncertain

A

A digit that must be estimated

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14
Q

Accuracy

A

Agreement of a particular value with the true value

Ex hitting the bullseye

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15
Q

Precision

A

Degree of agreement among several measurements of the same quantity

Ex tight grouping on a target

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16
Q

0° K

A

-273.15 °C

17
Q

K =

A

°C + 273.15

18
Q

°C =

A

(°F-32°F)(5/9)

19
Q

Matter

A

Anything that has mass and takes up space

Measures how much matter an object contains

20
Q

Weight

A

Force that gravity exerts on an object

21
Q

Compounds

A

Composed of 2 or more elements

22
Q

Elements

A

Composed of one kind of atom

23
Q

Homogeneous mixture

A
  • called a solution
  • have visibly indistinguishable parts
  • mixed the same throughout
24
Q

Heterogeneous mixture

A
  • having visibly distinguishable parts

* does not have uniform composition throughout the mixture

25
Q

Mass

A

Measure of the amount of matter an object contains