Types of Energy
Energy is described as what?
The ability to do work
Potential energy can be described as what?
Potential to cause change or energy
Kinetic energy can be described as what?
Energy in motion or to cause motion
This form of energy of the EM spectrum can be used for communication purposes such as radio.
Radio waves
The top of a wave is known as what?
Crest
What is the unit used for energy?
Joules
What is the formula used to calculate potential energy?
m*g*h
What is the formula used to calculate kinetic energy?
1/2 m * v2
Which part of the EM spectrum is the part that allows us to see?
Visible light
List at least 4 parts of a wave.
Crest, Trough, Equilibrium, Wavelength, Amplitude
What is mechanical energy a combination of?
Kinetic and Potential energy
What would have more potential energy a car or semi sitting at the same elevation on a hill?
Semi
What will have more kinetic energy two bowling balls with the same mass, one moving at 2 m/s and the other moving at 20 m/s
One moving 20 m/s
List the 7 parts of the electromagnetic spectrum in order starting with radio waves.
Radio, Micro, Infrared, Visible, UV, X-Ray, Gamma
Describe the amplitude of a wave.
Height of a wave from the equilibrium point to the crest or trough.
Which form of energy is primarily used when splitting an atom or harnessing the energy stored within an atom's nucleus?
Nuclear energy
What is the acceleration due to gravity equal to?
9.81 m/s2
Energy is known to be transferred, not created or destroyed. If a ball rolls down a cliff, when will its potential energy have transferred and the ball have its highest kinetic energy?
At the bottom of the hill, or the lowest point possible.
Fun fact question: What is the most common type of fish used is sushi?
Tuna
As wavelength increases frequency does what? What type of relationship is this called?
Decreases
Identify 3 different types of energy, and a function or purpose those 3 types of energy have.
Judge response
How much potential energy would a 1 kg cactus have if it was sitting on a shelf 5 meters up on a roof?
49 J
How much kinetic energy would a sky diver have if they have a mass of 70 kg and are moving at 10 m/s
3500 J
Identify 3 parts of the EM spectrum, and a function or purpose those 3 parts have.
Judge response
Light is known to act as two things, what are those two things?
Wave and a particle