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R - States of Matter
States of Matter, Changes of State, Chem and Phys Changes
| Question | Answer |
|---|---|
| How many states of matter are there? | Four |
| Draw a solid. | Molecules are touching. |
| Draw a liquid. | Molecules are spaced evenly apart. |
| Draw a gas. | Molecules are farthest apart. |
| What is the movement of the molecules like in a solid? | They vibrate in place. |
| What is the movement of the molecules like in a liquid? | They slide past each other. |
| What is the movement of the molecules like in a gas? | They move the fastest and randomly. |
| Name the 4th state of matter and give an example. | Plasma; Stars |
| The state of matter which changes both shape and volume is called a ___________. | Gas |
| The state of matter that has a definite shape and volume is called a ___________. | Solid |
| The state of matter that does not have a definite shape or volume and whose particles have | |
| broken apart is called a __________. | Plasma |
| The state of matter that takes the shape of its container but has a definite volume is called a __________. | Liquid |
| Matter is anything that has ____________ and _____________. | Mass and Volume |
| The smallest particle that makes up a given type of matter is called an _________. | Atom |
| When two or more atoms combine, they form a ___________. | Molecule |
| The energy of moving particles is called ________ ________. | Kinetic Energy |
| As the temperature of a substance heats up, the particles move _________. | Faster |
| In some solids, particles of matter are arranged in repeating, geometric patterns called | |
| _______ solids. | Crystalline |
| A change that affects one or more physical properties of a substance but does not change | |
| its identity is called a ________ _________. | Physical change. |
| A change that occurs when one or more substances are changed into entirely new substances | |
| with different properties and CAN NOT be changed back is called a ________ ________. | Chemical change |
| Glass and plastic form solids slowly and the molecules get stuck in a ________ pattern. | Random |
| The kinetic theory of matter states that molecules move like _______ _______. | Billiard balls |
| Molecules are farthest apart in this state of matter _______. | Gas |
| Evaporation occurs at the ___________ of a liquid. | Surface |
| As a gas cools, the particles ________ _________. | Slow down |
| Soda is an example of which two states of matter? | Liquid and gas |
| Gel is an example of which two states of matter? | Solid and liquid |
| Juice is an example of which state of matter? | Liquid |
| A table is an example of which state of matter? | Solid |
| Helium is an example of which state of matter? | Gas |
| Lightning is an example of which state of matter? | Plasma |
| Cutting your hair is a __________ change. | Physical |
| Cracking an egg is a __________ change. | Physical |
| Bleaching your hair is a ________ change. | Chemical |
| Burning paper is a _________ change. | Chemical |
| ____________________ is the physical forms in which a substance can exist. | States of matter |
| ____________________ is the state in which matter has a definite shape and volume. | Solid |
| ____________________ is the state in which matter takes the shape of its container but has a definite volume. | Liquid |
| ____________________ is the state in which matter changes in both shape and volume. | Steam |
| ____________________ is the conversion of a substance from one physical form to another. | Changes of state |
| ____________________ is the change of state from a solid to a liquid. | Melting |
| ____________________ means energy is absorbed (heat in). | Endothermic |
| ____________________ is the change of state from a liquid to a solid. | Freezing |
| ____________________ means energy is released or removed (heat out). | Exothermic |
| ____________________ is the change of state from a liquid to a gas. | Vaporization |
| ____________________ is the change of state when molecules in a liquid escape from the surface. | Evaporation |
| ____________________ is the change of state from a gas to a liquid. | Condensation |
| ____________________ is the change of state from a solid directly to a gas. | Sublimation |
| ____________________ is the idea that particles of matter are in constant motion. | Kinetic theory of matter |
Created by:
rcorippo