Models and Systems

In the system diagram shown, the system is considered as ..... of the system.

• An input

• A subsystem

• A storage/stock

• An output

Movements of energy or matter out of a system is called...

• Output

• Input

• Transfer

• Transformation

Tags

NGSS.MS-LS2-3

NGSS.MS-PS3-5

What type of system is this?

• Open

• Closed

• Isolated

• None

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following are characteristics of a good model?

• The model explains how a complex phenomena arises from simpler phenomena.

• The model can compare poorly understood aspects of the real world to a well-understood aspect.

• The model is testable and generates predictions that reflect what is happening in reality.

• All the responses are correct.

• None of the responses are correct.

Tags

NGSS.MS-ETS1-4

Which of the following is not a system?

• A rotten log alongside a lake.

• An aquarium.

• The Amazon forest.

• None of the choices.

• All of the choices.

Which of the following is a transformation?

• Water flowing downstream in a river.

• Ocean currents moving heat around.

• Food moving along the food web.

• Plants photosynthesising.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Chemical energy in the form of sugars moving from a herbivore to a carnivore is an example of a(n) ___.

• transfer

• transformation

• process

• output

Tags

NGSS.MS-LS2-3

A fire burning wood (chemical energy) releases light and heat energy. This is an example of a(n) ___.

• transfer

• transformation

• process

• output

What is an emergent property of a system?

• The combined features of all the elements in a system.

• The feature that only shows as a result of all elements working together in a system.

• The feature of every element in a system that seems to disappear when elements work together in a system.

• The feature of a system that is also present in every element of that system.

What was the over all idea of the Gaia Hypothesis?

• The earth can control what happens on other planets.

• The earth is a self-regulating system.

• The earth can not regulate itself without technological intervention.

• The earth needs to be carefully monitored and regulated by humans.

Tags

NGSS.HS-ESS2-2