Work
Work is a transfer of...
energy
energy of motion is called...
Kinetic motion
Does a stretched out rubber have potential or kinetic energy?
Potential
What are three units for temperature?
F, K, C
Which of the following materials conducts heat well?
A. Wood
B. Steel
C. Plastic
D. Glass
B. Steel
Describe how a steam engine converts heat into work.
Fuel is burned outside the engine, heating water, and hot steam pushes a piston.
Give an example of a object with elastic potential energy
rubber band, mousetrap, balloon, etc.
When an objects gets warmer what type of energy does it have more of?
Thermal energy
Heat is the transfer of thermal energy from one object to another because of a difference in?
Temperature
Describe how a steam engine converts heat into work.
Fuel is burned outside the engine, heating water, and hot steam pushes a piston.
Unlike other forms of energy, thermal energy is hard to ____.
A. Store
B. Transfer
C. Generate
D. Tacos
A. store
An object’s gravitational potential energy is directly related to...?
its height
or
the acceleration due to gravity
Energy stored in Gasoline is what type of energy?
chemical energy
In the formula Q= m x c x deltaT , which quantity represents the specific heat?
Temperature is a measure of ____ of the particles in an object.
the average kinetic energy
In every energy transformation, some energy is always “lost” as ____ energy.
Thermal
A kite stuck in a tree has what type of energy.
Potential energy
Nuclear power plants convert nuclear energy into what type of energy?
Electrical
What does a calorimeter directly measure?
change in temperature
A blimp flying around over the Super Bowl has ____ energy.
A. Kinetic
B. Potential
c. Both
C. Both
In which of the following is no work done?
a. climbing stairs c. pushing a shopping cart
b. lifting a book d. none of the above
d. none of the above
At the top of the swing
The law of conservation of energy say that... ?
energy cannot be created or destroyed
The lowest possible temperature is ____.
0ºK
The mechanical energy of an object equals its
kinetic energy plus its potential energy