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Earth Science Chapter 1 > measurments > Flashcards

measurments Flashcards

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1
Q

what is a measurement

A

a way to express our observation compared to an accepted standard

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2
Q

what system of measurement does most of the world use

A

metric system

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3
Q

what system of measurement does the US use

A

the imperial system

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4
Q

define; length

A

how long something is

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5
Q

what is the difference between kilometers and meters

A

100 meters= 1 kilometer

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6
Q

how many centimeters is one meter

A

100 cm

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7
Q

how many millimeters is one centimeter

A

10 millimeters

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8
Q

what do we use when we want to measure long distances

A

kilometers

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9
Q

define; weight

A

a measure of the gravitational pull of an object

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10
Q

what is the si unit for weight

A

Newtons (N)

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11
Q

fill in the blank: the closer you are to the center of gravity,

A

the less you are going to way

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12
Q

what is the si unit for mass

A

kilograms, grams

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13
Q

define; mass

A

the number of particles in an object

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14
Q

what is the tool we use to measure weight

A

scale

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15
Q

what tool do we use to measure mass

A

triple beam balance

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16
Q

what is the difference between mass and weight

A

mass does not change like weight does

17
Q

define; volume

A

the amount of space that an object takes up

18
Q

what is the si unit for volume

A

liquids- liters (L) or Milliliters (M)

solids- cubic centimeter (CM3)

19
Q

how do you find out the volume of an object

A

we do length x width x height

20
Q

define; displacement of water

A

a way to measure the volume of other solids using water

21
Q

how many milliliters is one cubic centimeter

A

one

22
Q

define; density

A

how close together are the particles in an object

23
Q

what are the si units for density

A

grams/ cubic centimeters
grams/ milometers
kg/ cubic meter

24
Q

how do you find out the density of an object

A

you do mass divided by volume

25
Q

what does it mean if particles in an object are close together

A

the object has a high density

26
Q

what is relative density

A

when you want to compare the density of a few objects to one and other we use flotation

Earth Science Chapter 1 (6 decks)

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