What is the conservation of energy law?
Energy can be transferred usefully, stored, or dissipated, but can never be created or destroyed.
Answer in your head, out loud, or on paper, then tap the card to flip.
What is dissipated energy?
Energy that is lost to the surroundings.
Answer in your head, out loud, or on paper, then tap the card to flip.
What is an open system?
An open system is one which can gain or lose energy (or matter) to the 'outside world'.
For example, an open beaker.
Answer in your head, out loud, or on paper, then tap the card to flip.
What is a closed system?
A closed system is one which cannot gain or lose energy (or matter) to the 'outside world'.
For example, an enclosed and insulated container.
Answer in your head, out loud, or on paper, then tap the card to flip.
What is waste energy?
Waste energy is energy that is not used by the device for its desired purpose - e.g. heat energy given off by a light bulb.
Answer in your head, out loud, or on paper, then tap the card to flip.