| A | B |
|---|
| resistence to flowing | viscosity |
| ability to allow heat to flow | conductivity |
| ability of a solid to be hamered without shattering | malleability |
| scratch test is used to test ... | hardness |
| temperature a substance changes from a solid to a liquid | melting point |
| temperature a substance changes from a liquid to a gas | boiling point |
| temperature a substance changes from a gas to a liquid | boiling point |
| temperature a substance changes from a liquid to a solid | melting point |
| boiling point of water | 100 degrees celcius |
| melting point of water | 0 degrees celcius |
| room temperature | 20 degrees celcius |
| density = | mass / volume |
| two methods of separating mixtures | filtration & distillation |
| process that separates materials based on the size of their particles | filtration |
| process that separates mixtures based upon differences in boiling points | distillation |
| a _____ change is when some of the properties of a material change but the substances in the material remain the same | physical change |
| a _____ change is when the composition of the substance is altered | chemical change |
| melting copper would be an example of a _____ physical change | reversible |
| peeling an orange would be an example of a _____ physical change | irreversible |
| all matter can be classified as either ___ or ___ | pure substances or mixtures |
| pure substances can be classified as either ___ or ___ | elements or compounds |
| mixtures can be classified as either ___ or ___ based upon their uniformity | heterogeneous or homogeneous |
| mixtures can be classified as _________ based upon their particle size | solutions, suspensions, or colloids |
| light can pass through a ____ | solution |
| a ____ can be filtered | suspension |
| ___ had medium sized particles | colloid |
| scatters light but does not filter | colloid |
| can not be filtered | solution and colloid |
| scatters light | colloid & suspension |
| type of mixture in which all samples would be the same | homogeneous |
| type of mixture in which samples will vary | heterogeneous |
| contains more than one element in a fixed proportion | compound |
| contains only one type of atom | element |
| pool water would be classified as a ___ or a ___ | homogeneous mixture or a solution |
| silver would be classified as a ___ | element |
| viscosity | resistence to flowing |
| conductivity | ability to allow heat to flow |
| malleability | ability of a solid to be hamered without shattering |
| honey would have ___ viscosity | high |
| copper has ___ malleability | high |
| wood has ___ conductivity | low |
| 1 ml = ___ cc | 1 |
| 1 m = ___ cm | 100 |
| 1 cm = ___ mm | 10 |
| 1 kg = ___ g | 1000 |
| 1 inch = ____ cm | 2.54 |
| 1 ml of water would have a mass of _____ | 1 g. |
| 6 ml of water would have a mass of ____ g. | 6 |
| if mass is in grams, volume in cubic centimeters, units for density would be ? | g/cc |
| If I had 6 cc of a substance and it had a mass of 12 g. what would its density be? | 2 g/cc |
| given: mass = 24 g., density = 4 g/cc: volume = ? | 6 cc |
| 3 common types of evidence of chemical change | change of color, production of a gas, formation of precipitate |
| if a new substance is formed, what type of change is it? | chemical |
| melting a marshmellow would be what type of change? | physical |
| burning a marshmellow would be what type of change? | chemical |
| when can a chemical property be observed | when a chemical change is taking place |
| give two examples of chemical properties | flammability & reactivity |
| paper would have ____ flamibility | high |
| which element is more reactive: oxygen or nitrogen | oxygen |
| iron would have ___ flammability | low |
| cottage cheese is an example of a ___ produced by a chemical change | precipitate |
