Systems, Models and Patterns

What is a scientific model?

• A representation of an object but smaller

• An exact representation made of similar material

• A representation of an object or system

• A familiar copy of an object

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Scientists use ___________ to understand how systems work.

• models

• figures

• process

• energy

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Scientists use a ___ to represent something that has too many parts, is too big, or is too small to investigate in real life.

• cars, dolls, people

• model

• scale

• telescope

A group of parts that work together is called a

• technology

• process

• system

• feedback

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Making models involves creating representations of complex objects or processes to help people study and understand things that cannot be observed directly.

• True

• False

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The kidneys are organs that filter wastes out of the blood stream. Which of the following objects could best be used to make a simple model of a kidney?

• block of wood

• coffee filter

• plastic bag

• water pump

True or False--A model can never be revised.

• true

• false

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If you want to compare sizes and distances in a model, then you should make a ___ model.

• planet

• scale

• map

• huge

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A drawing, diagram, or map are types of ___.

• mental models

• three-dimensional models

• two-dimensional models

• plastic models

Which Cross-Cutting Concept do you think this picture would provide the best example?

• Scale, Proportion, and quantity

• Systems and System Models

• Structure and Function

• Stability and Change

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