Types of Energy
Explain the transformation that takes place when you rub your hands together. (_____ to _____)
mechanical to thermal
As the mass of an object moving at a given speed decreases its kinetic energy will ______________________.
decrease
Building a dam across a river can destroy a habitat is an example of-
Disadvantage of hydroelectric
This resource only needs a small amount of fuel but the radioactive waste can be harmful.
Nuclear energy
What two factors affect potential energy?
The type of Energy that depends on mass and position
The energy transformation that occur in a guitar. (______ to ______)
mechanical to sound
As the speed of a falling object increases, its potential energy will _____________________.
decrease
This renewable resource is efficient but must be near a volcano to get the heat from the earth.
Geothermal energy
Type of resources that take millions of years to form and can run our in our lifetime.
Nonrenewable resources
Type of energy that depends on the speed of molecules.
What is thermal or heat energy
The transformation of a book falling from table. (_____ to _____ )
Gravitational potential to kinetic
When you drop a book on the floor, what happens to its original potential energy?
potential energy was transferred to kinetic energy
This is a cheap energy source but we have to mine it from the earth.
Coal
What is energy?
The ability to do work.
Type of energy that depends on the flow of electrons
What is electrical energy
The energy transformations that occur in a camp fire. (______ to _______ and ________)
chemical to thermal and radiant
The energy transformations that occur in a television. (______ to _______ and______)
electrical to sound and radiant
This energy source is widely available but can impact ecosystem. It burns the cleanest of the fossil fuel.
Natural gas
Energy can not be created of destroyed it can only be transfered or tranformed.
What is the Law of Conservation of Energy
The energy transformations that occur in a flashlight. (_____ to _____ and ______)
chemical to electrical to radiant
The energy transformations that occur in a nuclear power plant. (_____ to _____ to _____)
nuclear to thermal to electrical.
We can get energy from plants and grow more is an example of-
Advantage of Biomass
This type of resource cannot run our in our lifetime.
Renewable resources