Vocab
What is a particle?
Small unit of matter
What is Temperature?
Measure of Average KE
When temp increases..
the average KE increases
What is Random Motion?
movement in all directions and at different speeds
What is F in temp
fahrenheit
A liquid thermometer works because
Liquid expands when warmed
What is Kinetic Energy?
Energy of Motion
What is C in temp
celsius
When a substance is heated..
the particles gain energy and move apart
What are Thermodynamics?
The Study of Heat
What is K in temp
Kelvin
What type of changes happens when water has been left in a pot on a hot stove and bubbles form throughout the liquid and rises to the top?
It boils
What is Thermal Expansion?
Increase in volume of Material when particles motion increases
What is Thermal Contraction?
When particles movement decreases and cause the particles to occupy less volume
Bars of different metals are heated to 100C to determine how their volume and length would be affected, what would happen?
All the volumes and lengths change