Energy can enter or exist an open system
Energy and matter flow into and out of the system.
Explanation: There are three types of system:
Open System: A system where mater and energy both can pass across the boundary. Example: Tea kept in a cup
Closed system: A system where mater can not be exchanged but energy can be exchanged. Example: Tea kept in a kettle
Isolated System: A system where neither mater nor energy both can be exchanged. Example: Tea kept in a thermos
Energy can change to other form, but cannot be destroy or created
Energy cannot be created nor destroyed.
An open system can exchange both energy and matter with its surroundings!
The correct option is B. Energy cannot be created or destroyed.
The law of conservation of energy states that energy can neither be created nor be destroyed. However, energy can change from one form to another.
Hence, in a system energy might change forms but the total energy on Earth remains the same.
In a food chain, most of the energy is lost as heat. But it still is a form of energy. Hence, energy is neither created nor destroyed, it only changes forms.
the first question is b) Energy and matter flow into and out of the system. im not sure about the second one
Well of the choices given, it would be C.
The law of conservation of energy states that energy cannot be created nor destroyed, so the top two were automatically out.
Hope this helped!^_^
yes they can be changed becasue they are expose to the environment
That's why it's improtant to have a calorimeter so the energy and heat are contained