Science- energy
Terms
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- What is chemical energy?
- the energy of a compound that changes as atoms are rearranged to make a new compound
- what is the Energy of moving electrons
- electrical energy
- what does an object's kinetic energy depend on?
- kinetic energy depends on velocity and mass
- what does potential energy energy depend on?
- height and weight
- what kind of energy does a spring or wind-up toy have?
- potential energy
- what is theremal energy? An Example?
- total energy of the particles that make up an object. Steam
- what energy is caused by objects vibrations? An example?
- Sound energy. guitar
- what is light energy? An example?
- produced by vibrations of electrically charged particles. Light bulb
- What is a natural resource that can be converted by humans into other forms of energy in order to do useful work?
- energy resource
- A well-defined group of objects that transfer energy between 1 another?
- closed system
- Waht are energy conversions?
- change from 1 form to another
- what is nuclear energy?
- the energy associated w/ changes in the nucleus of an atom
- what form of energy is a moving object?
- mechanical energy
- what has more thermal energy, the cup of coffee or the iceburg?
- iceburg has more theremal energy because it has more particles and theremal energy is sum of energy of all the particles
- what is an example of an energy conversion?
- digestion- chemical to mechanical
- in every energy conversion some energy is always converted into what from of energy?
- thermal energy
- what is the law of conservation of energy?
- energy cannot be created nor destroyed
- what is a natural resource?
- a resource that can be converted by humans into useful energy
- what is a renewable resource? list Examples?
- can be repalced over a short period of time. solar, water, wind,geothermal,biomass