Name that Energy
Starts as, Ends as
Must do Math
Work it!
Matter Disturbances
100
Skydiving (while hoping you don't die)
Gravitational Potential
100
Person in a barrel going over Niagara Falls
Gravitational Potential to Kinetic
100
What is the work done when you carry a box by exerting a force of 25 N a distance of 15 m?
0 J (carrying is not doing work!)
100
What are the two requirements for work to be done?
Object must move and the direction of the force is the same as the direction the object moves
100
When the particles move at 90 degree angles to the direction of the wave
Transverse
200
Aiming a sling shot at your annoying little sister
Elastic Potential
200
Spaghetti dinner before a marathon
Chemical potential to Kinetic
200
What is the kinetic energy of a 4 kg ball traveling at 11 m/s?
242 J
200
The unit for work.
Joules
200
All waves move the medium through which they travel: true or false?
False
300
robot vacuum doing your chores for you
Mechanical
300
Sunlight entering a solar panel
Electromagnetic (radiant) to Electrical
300
Who is more powerful? Joe does 1,586 J of work in 96 seconds. Sally does 2,496 J of work in 113 seconds.
Sally (22.1 W)
300
The rate at which work is done.
Power
300
All waves need a _____________ except for ___________ waves.
medium; light
400
Fossil fuels
Chemical Potential
400
A firework explodes after being shot into the air
Chemical potential to kinetic
400
What is the frequency of a sound wave with a wavelength of 0.75 meters?
459 Hz
400
Why can you never get as much work OUT of a machine as you put IN to the machine?
Lose energy due to friction
400
What happens when a wave travels from one medium to another?
Refraction- wave bends due to change in speed
500
An unstable atom breaking down
Nuclear Potential
500
A fire heats near-by rocks
Radiant (electromagnetic) to thermal
500
What height did a 3 kg ball fall from if it was travelling 56 m/s just before hitting the ground?
160 meters
500
CATWALK OFF! Vote one member from your group to walk the catwalk and WORK IT! :)
Winners will vary
500
Draw two waves experiencing total destructive interference
See board
M
e
n
u