In pure crystalline solids, melting occurs at a specific temperature called the melting _____.
At 0 degrees C, the temperature of ice stops increasing. Any added energy continues to change the _______ of the water molecules from ice crystals into liquid water.
Dry ice is the common name for solid ______ dioxide.
The state of matter in which a substance has a definite shape and volume.
The _______ particles of a substance are moving, the greater their energy and the higher the temperature.
One reason liquid nitrogen can be dangerous is because when it vaporizes it has a very large _____ ratio.
A substance that can flow is called a _____.
The particles in a solid are closely locked in position and can only ______ in place.
In many solids, the particles form a regular repeating pattern that create ______.
_____ is the reverse of vaporization.
Clouds form when water vapor condenses into tiny _____ droplets.
Although the particles of a liquid are close together, but they can move ______ each other freely.
When the temperature of a gas at constant volume is increased, the pressure of the gas ______.
In ________ solids the particles are not arranged in a regular pattern. They do not melt at a distinct temperature, but become softer and softer as heated.
_____ is a measure of the average energy of random motion of the particles of matter.
The shape of a liquid may change with its _____, but its volume remains the same.
Down
When the temperature of a gas at constant pressure is increased, its volume _____.
Vaporization that takes place only at the surface of a liquid is called _____.
Condensation occurs when particles in a gas lose enough _____ energy to form a liquid.
The change in state from a liquid to gas is called ______.
The _____ of a gas is the force of its outward push divided by the area of the walls of the container.
______ is a liquid's resistance to flowing.
Surface ____ is a force among the molecules in a liquid that bring molecules on the surface closer together.
A ______ has a definite volume but no shape of its own.
At a constant temperature when the pressure of a gas is increased, the volume of the gas ______.
During _____, particles of a solid do not pass through the liquid state as they form a gas.
The graph of Boyle's Law shows that at constant temperature, gas pressure is ______ proportional to volume.
A graph of Charles Law is a straight line that shows the volume of a gas increasing as the temperature increases. This shows the variables are ______ proportional.
A _____ has neither definite shape nor definite volume.
Vaporization that takes place both below and at the surface is called ______.
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It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
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