Energy can be stored and transferred. It cannot be created or destroyed. The total energy of a system stays the same. Energy is transferred from a hot object to a cool one by conduction or radiation.
An object at rest on top of a shelf is likely to have:
Gravitational potential energy
Batteries are stores of:
Energy is usefully transferred from a personal audio player as:
Which is likely to contain the most thermal energy?
A red hot horseshoe
A spark from a firework
An ice cube
Which is likely to have the highest temperature?
Which type of energy transfer requires particles?
Thermal energy is transferred by conduction from:
The hot end to the cold end
The cold end to the hot end
The Sun to the Earth
Which type of energy transfer can occur though a vacuum?
What type of energy is stored in a wind up toy?
What type of diagram shows the efficiency of energy transfer?