Types
Objects that are able to fall have what type of energy?
Potential
Hydroelectric energy can generate electricity because of the initial__________energy of the water.
potential
As the velocity of a falling object increases, its potential energy____________.
decreases
One problem with ________energy is that it produces radioactive waste.
nuclear
What is a major problem with solar energy?
Doesen't work at night or hard to store
Which form of energy does light have?
Radiant
Muscles perform what type of energy transformation?
Chemical to mechanical
Solar energy, wind, and geothermal are what type of energy resource?
Renewable or Alternative
What is an example of a nonrenewable energy source?
fossil fuels, oil, natural gas,gasoline or coal
Almost all of the energy that is used on Earth’s surface originally comes from which energy sources?
the sun
The form of energy that food contains is which of the following?
chemical
Photovoltaics perform what type of energy transformation?
Radiant to electrical
Device with blades that is used to turn a generator.
turbine
Which type of energy source causes air pollution?
fossil fuels
Device that changes energy of motion into electrical energy.
generator
Energy stored in the bonds between atoms is called______
chemical energy
A bowling ball is dropped from the top of the Empire State building. Which of the following describes the energy conversion that occurs as it falls from its highest point?
Potential energy is transformed into kinetic energy
The kinetic energy of a moving object increases when the object does what?
It speeds up
Name an energy source that is being used faster than it can be replaced?
oil, fossil fuels, coal etc.
A generator is NOT required to generate electrical energy when which of the following energy sources is used?
solar
The energy stored in the nucleus of an atom is _______
Nuclear energy
When chemical energy is converted into thermal energy, what happens to the total amount of energy in the system??
It stays the same
The Law of Conservation of Energy says that________
Energy cannot be created or destroyed
A device that converts solar energy directly into electrical energy.
photovoltaic
Which would be the first step in making electricity at most power plants.
boil water