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Sunday, May 20, 2012

How Children Construct Understanding of Science

What is Understanding?
inert knowledge: learner lacks the connection and relationship of between ideas and cannot apply the knowledge into appropriate situations.
Instead of inert knowledge, students have to develop integrated, meaningful understanding.
Understanding is a function of knowledge accumulation and knowledge integration.
Four types of understanding:
1- Inert knowledge, disconnected, unusable fragments of knowledge
2- some accumulated knowledge, integrated
3- accumulated knowledge but little integration
4- accumulated knowledge and developed integrated understanding
Types of knowledge:
Content: central concepts, principles and theories . e.g. force - Newton's first law of motion
Procedural: is necessary to find solutions to problems, e.g. knowing how and when to control variables
Metacognitive: knowledge about cognition, awareness of one's own cognition:
  • strategic knowledge: e.g knowing how to use search terms to find something on Google
  • knowledge of cognitive tasks: e.g understanding that data analysis might include  transforming the data into a different representation
  • self-knowledge: knowing one's own weaknesses and strength in learning
Models of Teaching
1- Transformational: supporting students to make sense of material, e.g Project-based science
2 -Receptional: transmitting info and students receiving it
Social Construction of Knowledge

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