Font size
WorksheetsDo models have systems?
Total questions: 10
Worksheet time: 5mins
Which one of these correctly defines a system?
A set of interrelated parts and the connection between them.
A complex of interrelated parts.
A set of interrelated parts and the connection between them that unites them to form a complex whole and produces emergent properties.
A set of interrelated parts that form a complex whole
Systems have boundaries in both ................. and .................
(a)
Which of the following is correct
An open system exchanges energy but not matter with its surroundings.
None of these are correct.
An isolated systems is theoretical and does not exist
A closed system exchanges matter and energy with its surroundings.
The picture shows a river. In a river system there are inputs and outputs.
Input = solar energy
Output = stream flow
Input = soil
output = fish
The global cycles (water, carbon and nitrogen) are open systems.
Answer true or false
(a)
State ONE store in the carbon cycle
(a)
Matter in the universe is infinite. True or false
(a)
A transfer moves energy or matter from one place to another without changing it in anyway.
True or false?
(a)
Which of the following is correct?
Water moving along in a river is a transformation.
Ocean currents moving energy around the planet is a transfer.
All of these are correct.
Light energy becoming matter during photosynthesis is a transfer.
This diagram shows how the (a) method can be applied to models.
