Types of Energy
Work and Energy
True or False
Themal energy particles
Heat and thermal energy
100
_______ energy is the energy an object has because of it's motion
What is kinetic
100
Work is the transfer of _____ that occurs when a force makes an object move
energy
100
The amount of work done depends on the amount of force exerted and the *distance over which* the force is applied
True
100
The ______ of an object is a measure of the average kinetic energy of the particles in the object
temperature
100
How does a wall heater transfer heat to us?
Convection
200
________ energy is stored due to it's position
Potential
200
If work stays the same and distance is increased, then ______ force will be needed (more, less, the same)
Less
200
Energy has different *states* such as electrical, chemical, and thermal
False, FORMS
200
The sum of the kinetic and potential energy of the particles in an object is the ____ of the object
thermal energy
200
Where does most of the thermal energy in a fireplace go?
Up/ up the chimney
300
Energy stored in chemical bonds is called ________
What is chemical potential energy
300
A machine is a device that makes work______ (easier, harder, or the same?)
easier
300
Kinetic energy depends on mass and *volume
False: speed
300
______ is thermal energy that is transferred from something at a higher temperature to something at a lower temperature
Heat
300
Thermal energy is transferred from the sun to a sunbather by:
radiation
400
Anything that can FALL has stored energy called
gravitational potential energy
400
At what point does the pendulum have maximum potential energy
D
400
A material in which thermal energy is transferred slowly is an *insulator
True
400
_____ is the transfer of thermal energy by collisions between particles in matter
Conduction
400
How does thermal energy from a pot move to its handle?
Conduction
500
______ energy is the total amount of potential and kinetic energy in a system
Mechanical
500
At what point does the pendulum have maximum kinetic energy
B
500
A material in which thermal energy is transferred rapidly is an *insulator
False, CONDUCTOR
500
_______ is the transfer of energy by electromagnetic waves
radiation
500
The amount of heat that is needed to raise the temperature of 1 kg of some material by 1 degree Celcius is called the ______ of the material
specific heat