Bell Ringer Explain why you believe scientists have to sometimes use models when conducting an experiment.

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Presentation transcript:

Bell Ringer Explain why you believe scientists have to sometimes use models when conducting an experiment.

Scientific Models (Page 22) Essential Question: How do models help to develop scientific knowledge? https://www.youtube.com/watch?v=nRKBPulUmbg

Scientific Models Model A Model B Model C

Scientific Models Model – A visual representation of an object, idea, process, or system *Used to understand things too big or too small to observe directly

Scientific Models *2 dimensional (2D) – a drawing The Water Cycle

*2 dimensional (2D) – a drawing

Scientific Models *3 dimensional (3D) – a physical replica of the object *Can see all around it *Can touch it *Can alter it

*3 dimensional (3D)

*3 dimensional (3D)

Scientific Models *Computer simulation – animation showing what is how something works or will work https://www.youtube.com/watch?v=mYqp1t65Se8 https://www.youtube.com/watch?v=eXQgPCsd83c

Part 2 - Limitations of Models *Not made to actual scale

Limitations of Scientific Models *Can’t provide every single detail

**What are some advantages to the model of the Roller Coaster? **What are some limitations with this model?

http://www.youtube.com/watch?v=i-9RhLyuqWg Conclusion Quick Write - Explain how models help to develop scientific knowledge and understanding. Give an example to support your reason.