Topic 9 Lesson 2 Flashcards
Mass
Amount of matter in an object.
Density
The mass of an object in a given volume
Volume
Amount of space an object takes up
Units of mass
Gram (g) and kilogram (Kg)
Units of volume
Cm 3, L, mL
Instrument for mass
Triple beam balance
Instrument for volume
Graduated cylinder
Physical change
A change in substance that does not change its density
Chemical change
A change in which one or more substances combine, or break apart to form new substances.
Law of conservation of mass
The principal that the total amount of matter is created nor destroyed during any chemical or physical change.
Energy
The ability to do work of cause change.
Temperature
A measure of the average energy of motion in the particles of a substance
Thermal energy
The total potential and kinetic energy of the particles in an object.
electrode
Two metal strips that conduct electricity.
