Energy System Models

A system ?. (select TWO true statements)

• is a collection of interacting parts separated from the surroundings by a boundary

• helps scientists study the universe in small pieces

• is a group of similar objects that individually complete unrelated tasks

• will never allow matter to enter or exit

• will never allow energy to enter or exit

Tags

NGSS.HS-PS3-1

Which of these are types of energy systems? (select all that apply)

• thermal

• isolated

• open

• dynamic

• closed

Tags

NGSS.HS-PS3-4

What is able to cross the boundary into or out of a closed system?

• only matter

• only energy

• both matter & energy

• neither matter nor energy

Tags

NGSS.HS-PS3-4

A tea pot boiling on a stove is an example of ?.

• a closed system

• an open system

• an isolated system

• none of these

Tags

NGSS.HS-PS3-4

A boiling pot with a sealed lid is an example of ?.

• a closed system

• an open system

• an isolated system

• none of these

Tags

NGSS.HS-PS3-4

A microwave oven is an example of ?.

• an open system

• a closed system

• an isolated system

• none of these

Tags

NGSS.HS-PS3-4

A thermometer is an example of ?.

• an open system

• a closed system

• an isolated system

• none

Tags

NGSS.MS-PS3-4

A refrigerator is an example of ?.

• none

• an open system

• an isolated system

• a closed system

Tags

NGSS.HS-PS3-4

What is allowed to cross the boundary into or out of an open system?

• only matter

• only energy

• both matter & energy

• neither matter nor energy

What is allowed to cross the boundary of an isolated system?

• only matter

• only energy

• both matter & energy

• neither matter nor energy