3.2 Flashcards
(10 cards)
1
Q
Heat source
A
Device that supplies heat.
2
Q
Electrical energy
A
Energy supplied by voltage sources, such as batteries and dynamo.
3
Q
Heat
A
Type of energy that can increase the speed of movement of the molecules in a substance.
4
Q
Energy conversion
A
Process in which one type of energy is changed into another type.
5
Q
Energy flow diagram
A
Schematic representation of an energy conversion.
6
Q
Quantity
A
A measurable amount.
7
Q
Law of conservation of energy
A
Energy cannot be created or destroyed, only transformed.
8
Q
Quality
A
Value, worth.
9
Q
Calorimeter
A
Device that lets you measure how much heat is required to heat a certain amount of water.
10
Q
Specific heat
A
The amount of heat required to increase the temperature of 1 g of a specific substance by 1 degree.
