Transformations
The law of energy conservation says
energy cannot be created or destroyed
What is the formula for specific heat?
Q=mcdeltaT
What type of line is shown on a heat curve that indicates a phase change?
Horizontal
What type of heat energy is transferred from touch?
Conduction
Name the energy transformation for eating an apple and riding a bike
chemical to mechanical
What does the "c" stand for in the equation?
specific heat
Name the phases from a decreasing order.
Plasma, gas, liquid, solid
What type of heat energy is transferred from feel?
Radiation
Name the energy transformation for heating a pop tart
electrical to heat/radiant
How do you find delta T (change in temperature)
final- initial temperature
What does a diagonal line represent on a heat curve?
Phase
What type of heat energy is transferred from the circulation of water and air?
convection
Name the energy transformation for watching television
*show 3
electrical to light and sound
What has a higher specific heat? Water or Sand
Water
What phase change is shown at segment 4?
none
Name the heat transfer: sweating from the sun
radiation
Name the energy transformation for a growing plant
light to chemical
What is specific heat?
the amount of heat it takes to move 1 unit of mass 1 degree
What is happening to the energy during segment 4
Potential energy is increasing
Name the heat transfer: molecules hitting another and moving faster
conduction