Energy Transfer
What do we measure work in?
What is Joules (J)?
The matter the waves travel through is called...
What is the medium?
Energy is transferred through the ___________ of the medium's particles.
What is vibrations?
What is frequency?
How many troughs or crests pass in a given time.
A wave that has a high frequency will have a low ____________.
What is wavelength?
Almost all energy comes directly or indirectly from....
What is the sun?
When energy passes from one place to another.
What is energy transfer?
This form of energy travels through open space.
Light energy
What is wavelength?
X-rays use what type of energy to work?
Light
Provide an example of how human's use the Sun's energy indirectly.
What is eating an apple/plant/fruit?
What is using fossil fuels?
All the "stuff" in the universe can be defined as...
What is matter?
What is kinetic energy?
Energy of motion
We measure the frequency of waves in ________.
What is Hertz?
True or False
Waves move matter?
False
How can we calculate Joules?
What is force times distance?
What are the 3 main ways that energy transfers?
What is the movement of heat, movement of objects, movement of waves.
Waves transfer energy, but they do not transfer ______.
What is mass?
How tall a wave is from its resting position.
What is amplitude?
The 2 different types of waves are?
What are transverse and longitudinal.
The law that states energy can never be created nor destroyed.
What is the Law of Conservation of Energy?
Moving matter and energy through a medium
Mechanical energy
Describe the energy transfer that takes place during the wave at a football game.
The people are sitting down (potential energy), they stand up and raise their arms (kinetic), and then they sit back down again (potential).
Amplitude, wavelength, and frequency all refer to how much _________ a wave has.
What is energy?
In this type of wave, the particles of the medium move in the same direction as the wave.
What is a longitudinal wave?