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PSC1501 ASSIGNMENT 5 (OPTIONAL) 2022
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PSC1501 ASSIGNMENT 5 (OPTIONAL) 2022
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By: tumelodlamini • 2 year ago
question 01 is incomplete
By: 66100461 • 2 year ago
By: phumiye • 2 year ago
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PSC1501ASSIGNMENT 5
STUDENT NUMBER , 6717284
SEMSETER 2 , 2022
, Assignment 05 – Written
ANSWERS
1.1 Modelling- Scientific modelling is a scientific activity, the
aim of which is to make a particular part or feature of the
world easier to understand, define, quantify, visualize, or
simulate by referencing it to existing and usually commonly
accepted knowledge. Modeling should be understood as
utilizing physical objects to represent academic ideas.
Scientists use these in their research as well as science
teachers now and then. Models are used to help envision
something that is spoken about. Consider specifically PSA 4
about mixing molecules. There are two types of molecules, so
we could model these by using two different colors of beads.
You start with two separate containers of beads and say the
one color is perhaps blue which represents the water
molecules in liquid water. The beads are not organized in any
specific way but are all in contact with some other beads of
the same color. The other container has a similar number of
beads of another color perhaps red. These characterize
alcohol molecules in liquid alcohol. They have no specific
arrangement and are all in connection with other beads of the
same color. These two containers of beads show how the
liquid is imagined state as water and of alcohol, both of which
are shown as pure substances. The one lot of beads are then
poured into the other and shake or stir. Models of molecules
are being mixed to represent how we think about the mixing
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