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2.1
2.1 packet
| Question | Answer |
|---|---|
| matter with no definite volume and no definite shape | gas |
| matter with a definite volume, but no definite shape | liquid |
| matter with a definite volume and a definite shape | solid |
| the uneven forces acting on the particles on a liquid's surface | surface tension |
| the gas state of a substance that is a solid or liquid at room temperature | vapor |
| a measurement of a liquid's resistance to flow | viscosity |
| anything that takes up space and has mass | matter |
| high-energy matter consisting of positively and negatively charged particles | plasma |
| the amount of matter in an object | mass |
| the amount of space that a sample of matter occupies | volume |
| mass per unit volume | density |
| ways in which atoms, ions, or molecules move | particle motion |
| movement in all directions and at different speeds | random motion |
| the way freely-moving particles move | straight lines |
| the positively charged parts of atoms | protons |
| the negatively charged parts of atoms s | electrons |
| oppositely charged particles attract each other | particle forces |
| the particle speed is slowest and the attractive forces between particles is strongest | solid |
| the particle speed is slower than in a gas and faster than in a solid | liquid |
| the particle speed is the fastest and the attractive forces between particles is the weakest | gas |
| speed of particle movement of a solid | slow |
| speed of particle movement of a liquid | medium |
| speed of particle movement of a gas | faster |
| strength of forces between particles of a solid | strong |
| strength of forces between particles of a liquid | medium |
| strength of forces between particles of a gas | week |
| distance between particle of a solid | tightly pack |
| distance between particle of a liquids | moderate |
| distance between particle of a gas | far apart |
| volume of a solid | definite |
| volume of a liquid | definite |
| volume of a gas | not definite |
| shape of a solid | definite |
| shape of a liquid | not definite |
| shape of a gas | not definite |
| true or false opposite charges REPEL each other and create attractive forces between two particles | false actea |
| true or false as particles increase speed, attractive forces get STRONGER | false weaker |
| true or false as particles forces weakens, particle space INCREASER | true |
| true or false the attractive forces in a solid are STRONG | true |
| true or false strong forces between particles slow particle movement in a liquid with high SURFACE TENSION | false viscosity |
| true or false COHESION is the attractive force between similar molecules | true |
| true or false GAS has the weakest attractive forces between particles | true |