Grade 12 Physical Sciences Summaries. This summaries are composed using the Platinum textbooks' work with examples and supplementary notes.
A) Topic 1:
* Chapter 1 - Skills for Practical Investigations.
B) Topic 2:
* Chapter 2 - Momentum and Impulse.
* Chapter 3 - Vertical Proj...
U1: Historical Development
of Scientific Theory
Scientists conduct experiments, collect
results, observe, and draw conclusions.
Knowledge – used to develop general
C1: principles/theories.
Theories - observed phenomena and
U1: Historical predict unobserved phenomena.
New knowledge evolves these models.
Development of Science - way of thinking about the
Scientific Theory universe.
Sample
U2: Designing a Scientific
Investigation
Step 1: Identify problem & formulate question
U2: Designing a
Scientific Investigation
New scientific knowledge, despite being
based on experimental evidence, isn't
always accepted.
New knowledge - sound experimental
evidence and support from other
scientists.
Summaries after sample
to answer the problem.
Step 2: Use question to formulate hypothesis.
Step 3: Design a procedure.
o Identify variables - changed, measured,
and controlled.
o Decide on procedure to change
independent variable.
o Collect apparatus, equipment, and
resources.
o Include methodical/safety precautions.
Step 4: Carry out procedure - collect data.
Step 5: Arrange recorded data in a table.
Step 6: Analyse data to draw
conclusions/evaluate the procedure.
Step 7: If conclusions confirm hypothesis -
investigation is complete. If rejected - new
hypothesis can be formulated.
, U1: Historical Development
of Scientific Theory
Scientists conduct experiments, collect
results, observe, and draw conclusions.
Knowledge – used to develop general
C1: principles/theories.
Theories - observed phenomena and
U1: Historical predict unobserved phenomena.
New knowledge evolves these models.
Development of Science - way of thinking about the
Scientific Theory universe.
New scientific knowledge, despite being
U2: Designing a Scientific U2: Designing a based on experimental evidence, isn't
Scientific Investigation always accepted.
Investigation New knowledge - sound experimental
Step 1: Identify problem & formulate question evidence and support from other
to answer the problem. scientists.
Step 2: Use question to formulate hypothesis.
Step 3: Design a procedure.
o Identify variables - changed, measured,
and controlled.
o Decide on procedure to change
independent variable.
o Collect apparatus, equipment, and
resources.
o Include methodical/safety precautions.
Step 4: Carry out procedure - collect data.
Step 5: Arrange recorded data in a table.
Step 6: Analyse data to draw
conclusions/evaluate the procedure.
Step 7: If conclusions confirm hypothesis -
investigation is complete. If rejected - new
hypothesis can be formulated.
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