quiz 16 Flashcards
Which state of matter: particles closely packed and vibrate on the spot
Solid
In what case would an object absorb heat from the surroundings?
When the surroundings are hotter than the object
What is potential energy?
When a substance is heated and changes state without changing temperature
What piece of equipment is used to measure temperature?
Thermometer
When particles move faster, their _____ energy increases
kinetic
What is room temperature approximately?
20 degrees Celsius
Define internal energy
The total kinetic and potential energy of all particles in a system
How is density related to floating?
Less dense substances float on more dense substances
State the unit of energy
Joules or J
At what temperature do boiling and condensing take place?
The boiling point
