States of Matter
What are the four main states of matter?
Solid, liquid, gas, plasma.
The process of a solid turning into a liquid.
What is melting?
The KMT explains the behavior of matter based on the motion of these.
What are particles?
The amount of space an object occupies.
What is volume?
When sugar disappears into water, it has ____.
What is dissolved?
This state of matter has a definite shape and volume.
What is a solid?
What is it called when a gas changes directly to a solid?
What is deposition?
As temperature increases, the kinetic energy of particles ____.
What is increases?
The measure of the amount of matter in an object.
What is mass?
Why does a balloon expand when heated?
Particles move faster and spread out.
In which state of matter do particles move freely and fill the container they are in?
What is a gas?
The change from liquid to gas at the boiling point.
What is vaporization?
Explain why solids have a definite shape according to the KMT.
Particles in solids are closely packed and vibrate in place.
The temperature at which a liquid turns into a gas.
What is boiling point?
Predict what happens to gas particles in a cold room.
They slow down and move closer together.
Plasma is most commonly found in this place in the universe.
What is the sun or stars?
Freezing is the change of state from ____ to ____.
Liquid to Solid
What happens to particle movement when a substance is cooled?
Particles move slower.
An ice cube melting on a hot day is an example of ____.
What is melting?
Identify the state of matter for water at 25°C.
What is a liquid?
What phase change happens when dry ice turns into gas without becoming liquid first?
What is sublimation?
According to KMT, gases have particles that are ____.
What is far apart and move rapidly?
The increase in volume of a substance due to heat.
What is thermal expansion?