Topic 1.2 Systems & Models

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

• An input

• A subsystem

• A storage/stock

• An output

Tags

NGSS.MS-PS3-3

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

• Output

• Input

• Transfer

• Transformation

Tags

NGSS.MS-LS2-3

NGSS.MS-PS3-5

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

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-LS1-7

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

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

The use of models, by simplifying complex interactions within the examined systems, provides only a partial view of that systems and the processes within it.

Answer true or false

• True

• False

State the name of the research facility in Arizona used as a model to imitate the Earth as a closed system.

• Sphere 2.0

• Biosphere 2

• Earth 2.0

• Biosphere X2