What type of potential energy does a wrecking ball use?
gravitational
What is potential energy?
Energy that is stored
Explain the energy that the ball has in picture 1, and what will happen to that energy if the person lets go (picture 2).
The ball has potential energy, if the person lets go, the potential energy will become kinetic energy as the ball falls.
What type of energy is in food?
chemical Energy
Any object that is moving has what kind of energy?
kinetic energy
Oil and petrol have what type of energy?
chemical energy
When you burn coal, the chemical energy is transferred as what type of energy?
thermal(heat) + light
Any source of light has ........................... energy.
light
What is the name of the energy store when objects are up high?
gravitational (potential) energy
What type of energy is transferred around a circuit?
electrical
Name 3 sources of renewable energy
wind, solar, wave, tidal, geothermal
A laptop transfers electrical energy to light, sound and thermal. Which type of energy is considered wasted?
thermal (heat)
The ability to make things move or to do work is ___
energy
Batteries store _______ energy for later use, but often are charged using ______ energy
chemical, electrical
Sound is produced when an object _____.
vibrates
