6760333
Beschreibung
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matter and measurement
- the cientific method
- 1º watching the phenomenon
- 2º thinking about an hypothesis
- 3º making experiments in the lab
- 5º presenting the conclusions
- 5º presenting the conclusions
- 3º making experiments in the lab
- 4º analysing the results
- 1º watching the phenomenon
- mass , volume and capacity
- mass
- mass is the
amount of
containsmatter
that
a
body
- the SI unit is the kilogram , a multiple
of the ram . but we sometimes use
multiples or submultiples of the unit
. To obtain submultiples of a kilogram
, we multiply by a factor of 10
- the SI unit is the kilogram , a multiple
of the ram . but we sometimes use
multiples or submultiples of the unit
. To obtain submultiples of a kilogram
, we multiply by a factor of 10
- mass is the
amount of
containsmatter
that
a
body
- volume
- volume
is the
space
that a
body
occupies
- the SI unit is the
cubic metre , to
obtain its multiples
and submultiples ,
we divide or multiply
by a factor of 1000
- the SI unit is the
cubic metre , to
obtain its multiples
and submultiples ,
we divide or multiply
by a factor of 1000
- volume
is the
space
that a
body
occupies
- capacity
- capacity
indicates the
amount of
space that a
container has
- the SI unit
is the litre
, witch is
equivalent
to 1dm3.
the factor
is 10
- the SI unit
is the litre
, witch is
equivalent
to 1dm3.
the factor
is 10
- capacity
indicates the
amount of
space that a
container has
- mass
- matter and its measurement
- matter
- the object of study for natural science is
matter
- is everyting that occupies space and has mass
- is everyting that occupies space and has mass
- the object of study for natural science is
matter
- physical quantities
- some characteristics of matter are easy to
describe because we can observe and
measure them
- a physical quantity is any property of matter that can be
measured , like the mass or size of a body
- properties of matter that are subjective or cannot be
measuredare not physical quantities
- properties of matter that are subjective or cannot be
measuredare not physical quantities
- a physical quantity is any property of matter that can be
measured , like the mass or size of a body
- some characteristics of matter are easy to
describe because we can observe and
measure them
- measurement
- to measure a physical quantity , we
need to establish a standard of
measurement that we can use to
make comparisons with other
examples. This standard is called a
unit
- to measure a physical quantity , we
need to establish a standard of
measurement that we can use to
make comparisons with other
examples. This standard is called a
unit
- the international system of units
- in the past , were many different units of
measurement.
- the rest of the units are derived from these base units
and are called derived units
- the rest of the units are derived from these base units
and are called derived units
- in the past , were many different units of
measurement.
- matter
- length and surface area
- length is a physical quantity that
expresses a distance between two
points
- the SI unit of length is the metre (m) but we
sometimes use multiples or submultiples of
the unit
- To obtain multiples, we have to multiply or
divide by a factor of 10
- To obtain multiples, we have to multiply or
divide by a factor of 10
- the SI unit of length is the metre (m) but we
sometimes use multiples or submultiples of
the unit
- length
- surface area
- the external part of a body is called the surface
- to measure a surface , we need to
work out this area
- the SI unit is the square metre . To obtain multiples and
submultiples , we have to multiply or divide by a factor
of 100
- the SI unit is the square metre . To obtain multiples and
submultiples , we have to multiply or divide by a factor
of 100
- to measure a surface , we need to
work out this area
- the external part of a body is called the surface
- length is a physical quantity that
expresses a distance between two
points
- properties of matter
- extensive poperties
- they depend on the
amount of matter there is
- they depend on the
amount of matter there is
- intensive properties
- they do not depend on
the amount of matter
- intensive properties help us to
differenciate between different types
of matter
- intensive properties help us to
differenciate between different types
of matter
- they do not depend on
the amount of matter
- density
- is an intensive
property
- density is he quoetient of mass and volume . If the density
is high , the body is heavy . If the density is low , the body is
light . its formula is : d= m/v
- the SI unit is the kg/m3 , but it can also be expressed in g/cm3
- the SI unit is the kg/m3 , but it can also be expressed in g/cm3
- density is he quoetient of mass and volume . If the density
is high , the body is heavy . If the density is low , the body is
light . its formula is : d= m/v
- is an intensive
property
- general properties
- they do not depend on
the substance
- they do not depend on
the substance
- specific properties
- they depend on the
substance
- two different substances can have the same
general properties , but the can not have the same
specific properties do not depend on the size of
the body.
- they depend on the
substance
- extensive poperties
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