Energy types
Specific Heat
Conduction, convection, radiation
Heating/Cooling Curves
Random
100
What is the total amount of potential and kinetic energy called?
Mechanical Energy
100
If the specific heat of Substance A is 1000 J/kg•K, the specific heat of Substance B is 1500 J/kg•K, the specific heat of Substance C is 2000 J/kg•K, and the specific heat of Substance D is 500 J/kg•K, which substance requires the most energy to raise its temperature by 1 K per kilogram?
Substance C
100
True or false radiation requires matter to transfer thermal energy
False
100
Which line on heating curves is boiling point happening?
The 4th or the 2nd horizontal line
100
A ball dropped from a height. As it falls, its potential energy is converted into kinetic energy. What is this an example of?
The law of conservation of energy
200
If an object can fall, what sort of energy does it have before falling?
Gravitational potential energy
200
Water is an ______ coolant for machinery and engines because of its _____ specific heat.
Effective and High
200
What happens to hot air in convection?
It rises as the cold air sinks
200
Why are heating curves important?
It can be used to determine the melting point and the boiling point of a substance.
200
What does
mean in the specific heat formula?
The change in temperature
300
How does a battery power a toy?
Chemical energy to electrical energy
300
The amount of heat required to change the heat content of exactly 1 gram of a material by exactly 1°C is called....
Specific heat capacity
300
How does conduction transfer energy?
By directly touching
300
What does the vertical line on the heating/cooling curve represent?
That the substance is changing
300
What does m mean in the specific heat formula?
Mass
400
What is all the types of energy?
chemical energy, mechanical energy, nuclear energy, gravitational energy, light energy, radiant energy, sound energy, motion energy, thermal energy, potential energy, kinetic energy, and electrical energy
400
What is the reason for the high specific heat of water?
hydrogen bond
400
What is the movement of convection?
Currents
400
What does the horizontal line on the graph represent?
How long it is taking a liquid/solid to change
400
What does Q mean in the specific heat formula?
Heat energy
500
What energy transformation occurs in photosynthesis?
Light energy to chemical energy
500
What is the formula?
500
What does radiation transfer by?
Electromagnetic waves
500
what does heating curve show?
how the temperature of a substance changes as it's heated/cooled over time
500
What is the law of conservation of energy saying?
That energy can't be destroyed or created only transfer