States of Matter
Which state of matter always stays the same size and shape?
solid
Solid to Liquid
Melting
What happens to particle speed when they are heated up?
They speed up.
What is kinetic energy?
Energy of motion.
Contact
Which state of matter always has the same volume but can change shape to fit its container?
liquid
Liquid to Solid
Freezing
What happens to particle speed when they are cooled down?
They slow down.
Heat always transfer from a __________ object to a _________ object.
Warmer, Cooler
The more collisions between particles, the _________ the temperature gets.
Warmer, Higher
How are solid particles arranged and how do they move?
They are packed closely together in rows and they vibrate in place.
Liquid to Gas
Evaporation
What happens to the space between the particles when they are heated up?
Particles spread out.
What does it mean if particles collide with each other?
They bump into each other.
What is temperature?
A measure of the average kinetic energy of all the particles of a substance or object.
How are liquid particles arranged and how do they move?
Gas to Liquid
Condensation
What happens to the space between the particles when they are cooled down?
Particles get closer together.
What type of energy are particles transferring when they collide?
Kinetic Energy
What is thermal equilibrium?
When different temperature objects touch and eventually adjust to the same temperature.
How are gas particles arranged and how do they move?
They move around freely and very quickly all over the place.
List an example of phase change that you need to REMOVE heat for it to occur.
Freezing or Condensation
Which state of matter's particles would have the MOST kinetic energy?
Gases
What is another word for heat energy?
Thermal Energy
Explain how the fancy cup keeps the cold water cooler than the regular cup.
Answers will vary