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DICKSON: 2.1 HW
HW
| Question | Answer |
|---|---|
| The form of matter is another name for a _______ of matter. | state |
| The three state of matter are | solids, liquids, and gases |
| Matter with a definite volume and a definite shape is a _______. | solid |
| Matter with a definite volume and an indefinite shape is a _______. | Liquid |
| Matter with an indefinite shape and an indefinite volume is a _____. | gas. |
| The fourth type of matter that is found in space. It is high energy and consists of positively and negatively charged particles is ______. | plasma |
| A solid is a state of matter that has particles that are ________ together. | close |
| The particles in a solid move by _______ in place. | vibrating. |
| The particles in a liquid move by ________ past each other. | sliding. |
| The particles in a gas move by _______ with each other. | colliding. |
| A gas is a state of matter that has particles that are ________ apart. | far |
| When a substance is heated up, the particles move _______ _______. | farther apart |
| When a substance is "cooled" off, the particles move ______ _______. | closer together |
| The particles in a substance move (slower/faster) when they are heated? | faster |
| The particles in a substance move (slower/faster) when they are cooled? | slower |
| A type of solid that the particles are arranged in a specific, repeating order are called ______ solids | crystalline |
| A type of solid that has is particles arranged randomly are called _____ solids. | amorphous |
| Liquids can take the shape of their container because the can _____. | flow. |
| The particles in a ______ are closer together than the particles in a gas. | liquid |
| Which state of matter has the strongest attractive forces? | Solid |
| Which state of matter has the weakest attractive forces? | Gas |
| The attraction of molecules that are alike is called ______. | cohesion |
| The attraction of molecules that are different is called _____. | adhesion |
| A measure of a liquids flow is called ________. | viscosity. |
| A liquid that is more viscous is going to be ________. | thicker. |
| Stronger attractive forces between particles the substance to have _________ surface tension. | greater |
| A substance that is a liquid at room temperature is called a ______ instead of a gas. | vapor |
| Molecules at the surface of a liquid have _____ ______ if the molecules have uneven forces acting on the particles. | surface tension. |
| Helium is a __________ at room temperature | gas |
| Water is a _________ at room temperature | liquid |
| Gold is a _______ at room temperature | solid |
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dicksona
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