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Models in Science. Why are models necessary? Types of models How are models used?. Why are models necessary?. Just as you can take many different paths to school, you can test a hypothesis in many ways.

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models in science

Models in Science

Why are models necessary?

Types of models

How are models used?

why are models necessary
Why are models necessary?
  • Just as you can take many different paths to school, you can test a hypothesis in many ways.
  • In science, a model is a representation of an object or event. It helps us to understand the natural world.
why are models necessary1
Why are models necessary?
  • Models help you picture things in your mind that are difficult to see or understand.
  • Models can be of things too big or too small to see. They can be of things that do not exist or have not been created.
too big or too small
Too Big or Too Small ???

#2

#1

The flu virus – TOO SMALL

The solar system – TOO BIG

#3

A house – TOO BIG

#4

A sailing ship – TOO BIG

have not been created or do not exist anymore
Have not been created or do not exist anymore ???

#1

A prototype (new car)

#2

A dinosaur

types of models
Types of Models
  • Physical models – you can see and touch them
  • Computer models – they are built with computer software
  • Idea models – they are ideas about how the world works
physical models

See it!

Touch it!

Physical Models

Miniature solar system

Globe

Drawing of a horse

Can you see how the parts relate to one another?

computer models

Weather map

Map of wind speed and direction

Computer Models

See it on a computer!

how are models used
How are models used?
  • To communicate observations and ideas
  • To test predictions
  • To save time, money, and lives