Models

A combination of related parts organised as a whole is called a:

• System

• Model

• Mannequin

• Modelling

One of the following is not a system

• 
• 
• 
• 

Tags

NGSS.MS-LS1-3

NGSS.MS-LS2-3

Select ALL that is true

• A model is a simple representation of a system

• Models are expensive!

• A toy car is a model of a real car

• A model helps you understand a system

Tags

NGSS.MS-ETS1-4

NGSS.MS-LS2-3

Pick the reasons why we use models

• Models are expensive

• Models help you understand complex systems

• Models are used when systems are too expensive or impossible to use

Tags

NGSS.MS-ESS2-1

NGSS.MS-ETS1-4

NGSS.MS-LS1-2

NGSS.MS-LS2-3

The manipulation of a model in such a way that it behaves like a real system is termed:

• Simulation

• Modelling

• Manipulation

• Organization

Which of the following events is an important part of the engineering design process?

• testing and evaluating models

• evaluating design constraints

• designing and building models

• all of these

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Heat is ___ of the system.

• an input

• a subsystem

• a trigger

• an output

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Models can be helpful in scientific investigations because

• it may not be possible to work with the real thing.

• they can be smaller and more manageable than the real thing.

• they can be safer to work with than the real thing.

• all of the above

Tags

NGSS.MS-ETS1-4

A tennis ball could be used to represent the sun because it's round and yellow. Which of the following could also be used to model the sun?

• a light bulb

• an empty cup

• an eraser

• a Kleenex box

Tags

NGSS.4-PS4-2

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

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-2

NGSS.MS-PS1-1