Potential or Kinetic
A baby carriage is rolling down a hill
Kinetic Energy
Chemical Energy
A cinder block is sitting on a platform 20 m high. It weighs 79 N. The block has _____________ energy. Calculate it.
Potential Energy = 1580 J
Flashlight
Chemical Energy (batteries) --> Light Energy
A bell at the top of a tower
Potential Energy
Release of energy from the sun
Radiant
You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. The ball has ______________________ energy. Calculate it.
Kinetic Energy = 945 J
Guitar being played
Mechanical --> Sound
Describe one example of an object with potential energy
Answers may vary. Ask Ms.Benabo or Tanya to check.
Gasoline
Chemical
What is the kinetic energy of a 1-kilogram ball is thrown into the air with an initial velocity of 30 m/sec?
450 J
Burning Candle
Chemical (wax) --> Light and Thermal
Identify and describe one example of an object with kinetic energy
Answers may vary. Ask Ms. Benabo or Tanya to check.
Fission Reactors
Nuclear Energy
What is the velocity of a 500-kg elevator that has 4000 J of energy
4 m/s
Toaster
Electrical --> Thermal
Describe why energy in chemical bonds is _____ (K or P) energy
Energy in chemical bonds is potential energy. It is potential energy because the energy is stored energy possessed by an atom, which is released through chemical reactions.
Turkey Melt
Chemical Energy
What is the mass of an object that creates 33,750 J of energy by travelling at 30 m/s?
75 kg
Photosynthesis
Radiant --> Chemical