Units
What SI unit should I use to measure somethings height?
Meter
m
If something has the ability to do work we say that it has . . .
Energy
Which law states that energy isn’t created or destroyed, it is only transferred or transformed?
Law of Conservation of Energy
Energy that is the movement of electrons.
Electrons
In the formulas GPE= mgh and KE=1/2mv2 m represents and is in units of
mass, kilograms
What SI unit should I use to measure how fast something is traveling?
meter/second
m/s
The energy of an object in motion
Kinetic or Mechanical
Sunlight has no mass, does it have kinetic energy?
No
Energy stored between the bonds in compounds.
Chemical
In the formulas GPE= mgh and KE=1/2mv2 h represents and is in units of
height, meters
What is the unit for work and energy?
Joule
J
work= force x distance
When throwing a ball into the air, where does the ball have the most potential energy?
As a skateboarder goes down a ramp their kinetic energy
Increases
Energy that travels as vibrations through a medium (solid, liquid, gas)
Sound
1/2mv2 is the formula for . . .
Kinetic Energy
What is 78W measuring?
Power
work/time= power
W is the unit Watt
What was an example of chemical energy?
Food, Fuel, Explosives, Glow Sticks
What forms of energy can be observed when a light bulb is on?
Light, Thermal, Electric
Energy stored in the nuclei of an atom
nuclear
mgh is the formula for
gravitational potential energy
The SI unit for a velocity divided by a time
Acceleration
m/s2 said meters per second squared.
or m/s/s said meters per second per second.
Turning the wheel of the generator
Mechanical or kinetic
A car's engine that turned all of its chemical energy into kinetic energy would sound and feel this way
silent and have no change in temperature
Energy that can be both an electromagnetic wave or a particle and gives off light.
light or radiant
g represents and is in units of
gravity, acceleration