Vocabulary
What is stored energy?
potential energy
A plug-in radio converts ____________________ energy into the ____________________ energy of a vibrating speaker.
electrical
sound
A plug supplies a toaster with ____________________ energy, which is converted into ____________________ energy, which can be seen, and also ____________________ energy, which can be felt.
electrical
light or radiant
thermal or heat
Wind turbines convert _________________ energy into electrical energy.
mechanical
A car battery converts the ____________________ energy of an acid reaction with metal into the ____________________ energy needed to drive the starter motor.
chemical
electrical
What is energy in motion?
kinetic energy
A washing machine converts the ____________________ energy into the ____________________ energy.
electrical
mechanical
A match converts the ____________________ energy of the sulfur into visible ____________________ energy and also ____________________ energy.
chemical
light or radiant
thermal or heat
A solar battery cell converts the sun’s ____________________ energy into ____________________ energy needed to power a solar car’s motor.
light or radiant
electrical
A solar cooker converts ____________________ energy from the sun into ____________________ energy.
light or radiant
electrical
What is energy formed in chemical bonds?
chemical energy
A car’s generator converts the ____________________ energy of spinning, into the ____________________ energy, which powers the radio, etc.
mechanical
electrical
A gasoline engine converts the ____________________ energy of octane into the ____________________ energy of the turning wheels, and the ____________________ energy of a hot radiator.
chemical
mechanical
thermal or heat
Plants use energy from the sun and is turned into this form when it undergoes the process of photosynthesis.
light or radiant to chemical
The purpose of a nuclear power plant is to transform nuclear energy into electricity. What is that energy transformation?
nuclear to electrical
What is it called when energy changes from one form of energy to another?
energy transformation
The ____________________ energy stored in your body is used to provide the ____________________ energy needed to walk behind the mower.
chemical
mechanical
The action of rubbing one’s hands together demonstrates the conversion of ____________________ energy into ____________________ energy.
mechanical
thermal
A plug supplies an iron used to iron clothes with ________________________________ energy, which is converted into ________________________________ energy.
electrical
thermal or heat
When you set food under a heat lamp to warm it, you are changing ____ energy into _____ energy.
light or radiant
thermal
Define energy transformation
a change from one form of energy to another
Explain the transformation that takes place when you turn on a flashlight. Name at least 3 energy forms.
Chemical (of the battery) to electrical (flow of electrons) to mechanical to radiant (of the light) to thermal (the heat produced by the light)
What energy transformation is the process of burning coal?
chemical (stored in coal) to thermal (when coal is burned)
What energy transformation is using an electric pencil sharpener to sharpen a pencil?
electrical to mechanical and sound
When energy is transferred in a system, the total amount of energy before the transfer is _____________ after the transformation is complete, just in different forms.
Is it the same or different?
same