potential energy
What is kinetic energy?
energy of motion
define the law of conservation of energy
Energy cannot be created or destroyed
Which of the following is kinetic energy?
a. A book sitting on a shelf b. A girl sprinting c. A stretched spring
B. A girl sprinting
What is the measurement unit of energy?
Joules
What type of energy is shown by bowling pins at the end of a lane?
Potential Energy
what is earth's main source of energy?
1,000kg Roller coaster sitting at the top of a 300m hill. How much potential energy?
3 million joules
define chemical energy
energy stored in the chemical bonds of atoms and molecules