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Science > Chapter 1.2. Standards Of Measure > Flashcards

Chapter 1.2. Standards Of Measure Flashcards

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1
Q

What is mass?

A

Amount of matter in an object

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2
Q

What is density?

A

Mass per unit volume of a material

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3
Q

What is time?

A

Interval between two occurring events

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4
Q

What is the system of measurement used worldwide?

A

International system of units (SI)

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5
Q

What is length?

A

Distance between two points

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6
Q

What is volume?

A

The amount of space occupied by an object

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7
Q

Why is density a derived unit?

A

Because density is obtained by combining 2 SI units

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8
Q

In SI how i length measured?

A

meter

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9
Q

What is the symbol for meter?

A

m

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10
Q

In SI how is mass measured?

A

kilogram

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11
Q

What is the symbol for kilogram?

A

kg

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12
Q

In SI how is time measured?

A

seconds

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13
Q

What is the symbol for seconds?

A

s

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14
Q

In SI how is electric current measured?

A

ampere

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15
Q

What is the symbol for ampere?

A

A

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16
Q

In SI how is temperature measured?

A

kelvin

17
Q

What is the symbol for kelvin?

A

K

18
Q

In SI how is the amount of a substance measured?

A

mole

19
Q

What is the symbol for mole?

A

mol

20
Q

In SI how is the intensity of light measured?

A

candela

21
Q

What is the symbol for candela?

A

cd

22
Q

On the metric conversion chart, what mathematical operation do you perform for each column that you move from left to right?

A

Multiply numbers by 10

23
Q

On the metric conversion chart, what mathematical operation do you perform for each column that you move from right to left?

A

Divide numbers by 10

24
Q

As you move from left to right across the metric conversion chart, how do you move the decimal?

A

Move decimal one space to the right for each column

25
Q

As you move from right to left across the metric conversion chart, how does the decimal move?

A

The decimal moves one space to the left for each column

26
Q

What is the symbol for micro?

A

u

27
Q

What is the symbol for nano?

A

n

28
Q

What is the order of units from largest to smallest on the metric conversion chart?

A 
Kilo
Hecto
Deca
“Unit”
Deci
Centi
Milli
Micro
Nano
29
Q

What is the acronym for remembering the order of units on the metric conversion chart?

A

King Henry Died Unusually Drinking Chocolate Milk

30
Q

What is the SI prefix for deca?

A

da

31
Q

What is the SI prefix for deci?

A

d

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