### States of Matter

ICP - Mr. Hobson

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Across
4.the volume of a liquid is constant due to _______ __ __________. (3 Words)
5.the lowest possible temperature that can exist (2 Words)
7.the SI unit for force
9.type of change that requires energy to be absorbed
12.the pressure caused by the collisions of a vapor and the walls of a container (2 Words)
14.the kinetic theory states that all particles of matter are in ______ _______. (2 Words)
15.changing from a gas to a liquid
16.1000 Pa = 1 ______
18.Charles's Law and Boyle's law can be combined into the _________. (3 Words)
20.the result of a force distributed over an area
22.changing from a liquid to a gas
24.the pressure in a closed container is caused by the ______ of gas particles with the walls of the container.
25.a type of vaporization that occurs at the surface of a liquid but below its boiling point
28.Charles's Law shows a relationship between the ______ and volume of a gas. (if the pressure and # of particles are held constant)
34.increasing the number of particles of a gas _______ the pressure. (if the temperature and volume are held constant)
35.type of change that requires energy to be released
37.state of matter with a definite volume and shape
38.state of matter with a definite volume but variable shape
39.mercury is in a _____ state at room temperature.
40.the faster a particle moves, the ______ its kinetic energy.
41.the temperature is ______ during a phase change.
42.state of matter with a variable volume and shape
43.the SI unit for pressure
44.state of matter that would exist at 10000 degrees Celsius
Down
1.gas particles move in a _____ line until they collide with something.
2.amount of energy needed to vaporize 1g of a substance (3 Words)
3.the energy an object has due to its motion (2 Words)
6.changing from a solid to a gas (skipping liquid)
8.a ______ is a reversible physical change that occurs when a substance changes from one state of matter to another. (2 Words)
10.a type of vaporization that occurs below the surface of a liquid at its boiling point
11.the forces of attraction are _____ in a liquid than a gas.
13.the amount of energy needed to melt 1g of a substance (3 Words)
17.changing from a solid to a liquid
19.the forces of attraction between gas particles are very ____.
21.the SI unit for area (2 Words)
23.as the temperature of a gas decreases, the pressure _____. (if volume and # of particles are held constant)
26.changing from a gas to a solid (skipping liquid)
27.nitrogen is in a _____ state at -215.0 degrees Celsius.
29.gases can fill a container of any shape or size due to their constant, very fast _____.
30.Boyle's Law shows a relationship between the ______ and volume of a gas. (if the temperature and # of particles are held constant)
31.water is in a _____ state at 102 degrees Celsius.
32.increasing the volume of gas ______ the pressure. (if the temperature and # of particles are held constant)
33.changing from a liquid to a solid
36.solids have a definite shape because they vibrate around ____ locations.

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