these are the energy transformation that occur so that you are able to listen to music on your iPod at the beach?
What is chemical energy is transformed to sound energy
100
These are the 3 forms of potential energy
What are elastic, chemical and gravitational
100
This type of electromagnetic energy has the shortest wavelength and the highest frequency
What are gamma rays
100
This is the type of energy contained in a stretched slingshot and a compressed spring
What is elastic potential energy
100
This is why is coal considered to be a nonrenewable energy source?
What is Once coal is mined, it can take millions or years to be replaced
200
Energy is constantly being converted from one form to another. This is what happens when one form of energy is converted to another?
What is energy is neither created or destroyed in the process
200
This is the kind of energy is contained in natural gas before it is burned to provide heat to homes?
What is chemical potential?
200
When referring to sound energy, this is the number of times a wave vibrates in a second and is also known as a sound's pitch
What is frequency
200
Suppose that you fill an ice-cube tray with water from the tap and put the tray in the freezer. The water’s temperature decreases because
What is because Heat energy flows from the water into surrounding air in the freezer
200
The energy of blowing wind can be harnessed to create electricity. Why is wind considered a renewable energy source?
What is because wind comes from atmospheric conditions that are available indefinitely
300
In a car, chemical energy in the form of gasoline is transformed into mechanical energy that produces the car's motion. Another less desirable form of energy is also produced. This less desirable energy is
What is heat energy
300
This is what the kinetic energy of an object depends on
What is both the speed and the mass of the molecules it contains
300
This is the unit and instrument used to measure temperature
What is degrees with a thermometer
300
This is what slows the flow of energy from a warmer object to a cooler object
What is an insulator
300
This is the original energy source used to produce all other energy on Earth
What is the Sun
400
Describe the energy transformations that occur when you turn on a light switch
This is what you can tell about the potential and kinetic energy of an object If you only know an object's position and chemical composition, but nothing about its motion
What is you can know its potential energy, but not its kinetic energy
400
This is how the molecules in water react when you raise the temperature from 10°C to 20°C?
What is They vibrate faster and move farther apart
400
A hydroelectric plant uses a renewable energy resource. Which statement describes why this resource is considered renewable?
What is falling water turns the turbine. The water is returned to the river downstream, so it may continue in the water cycle.
400
A wave in the electromagnetic spectrum of light can be described by its energy, wavelength, and ____________________.
What is frequency
500
This is the order of energy transformations that occur in a nuclear power plant is
What is nuclear --> heat --> mechanical --> electricity
500
This is how you can accurately describe a falling cement block that is dropped from a helicopter
What is its potential energy decreases as its kinetic energy increases
500
In general, if a wave has a high frequency, then its wavelength is
What is short
500
Alcohol rising in a thermometer is an example of this concept
What is thermal expansion
500
This is another word for the "Average kinetic energy of the molecules in an object"