The three types of energy transfer are called
What are conduction, convection, radiation
_____________ energy is a measure of the total kinetic energy of particles in a substance.
What is thermal energy
this type of energy is supplied by batteries to wires.
What is chemical
Objects that can transfer thermal energy very easy are said to have high ___________________.
What is thermoconductivity
The movement of thermal energy is referred to as _______.
What is heat
Specific type of energy that is formed when particles of solid liquid or a gas vibrate.
What is sound energy?
The total thermal energy in an object depends on what 2 things:
What is temperature of the substance and the number of particles in the substance
1000 J energy was supplied to a kettle. 50% of this was transformed to useful thermal energy. How many Joules is this?
What is 500J
An apple transfers ___________ energy into _____ energy before it is eaten.
What is Solar / Chemical Energy
In a liquid, warmer areas are ________ dense than cooler ones.
What is less
Ettore had 20 000 J of energy from his morning breakfast. In Science class he used 15 500 J for sleeping. How many Joules did he use to complete his worksheet?
What is 4500 J
Materials that resist the transfer of thermal energy are called________.
What are insulators