This state of matter's particles have the most energy.
What is a gas.
100
The condensation point of pure water.
What is 100 degrees Celsius.
100
Melting
What is endothermic
100
The boiling point is a ______ property.
What is characteristic.
100
Helium is usually found in this state at room temperature.
What is a gas.
200
The particles in this state of matter are close together, but moving past each other.
What is a liquid.
200
This is the definition of temperature.
What is the average amount of energy in the particles of a substance.
200
Boiling
What is endothermic.
200
Endothermic changes are a ______ change.
What is physical change.
200
The particles in this state of matter are moving slowest.
What is a solid.
300
Three things that describe particles in all states of matter.
What are faster at higher temperatures, constantly moving, and attracted to each other.
300
1 kg of a chemical melts at 200 degrees Celsius, so 500 g of this chemical melts at this temperature.
What is 200 degrees Celsius.
300
Freezing.
What is exothermic.
300
A line graph of a solid turning into a liquid would have zero slope at this point.
What is the melting point.
300
A gas to a liquid.
What is condensation.
400
A mystery substance is given to you and you are told the melting point is 120 degrees Celsius and the boiling point is 400 degrees Celsius. What state of matter is this substance in at 225 degrees Celsius.
What is a liquid.
400
The three states of matter that are endothermic.
What is melting, boiling, and sublimation.
400
Condensation
What is exothermic.
400
Sweat transfers energy like this.
What is energy from the body goes into the sweat to cause evaporation.
400
Energy move in this predictable way.
What is from high to low energy.
500
The melting point of pure water.
What is 0 degrees C or 32 degrees F.
500
This state of matter closest in temperature to absolute zero.
What is a Bose-Einstein condensate.
500
Sublimation
What is endothermic.
500
The temperature of each an hour after clay of 100 degree Celsius is placed into 20 degree Celsius water.
What is the same temperature between 20-100 degrees Celsius.
500
When you touch something "cold", this is happening.