| A | B |
|---|
| Four main states of matter | Plasma, Solid, Liquid, and Gas |
| Temperature at which a liquid boils | Boiling Point |
| Water boils at this temperature | one hundered degrees C |
| Temperature at which a solid melts | Melting point |
| Ice melts at this temperature | zero degrees C |
| Table salt melts at this temperature | 801 degrees C |
| Adding sugar to water is an example of this type of change | physical |
| Crushing a rock is an example of this type of change | physical |
| When your body digests food for energy, the process is a ______ reaction. | chemical |
| The measurement 5.9874 g has how many sig figs | five |
| The measurement 0.9870 g has how many sig figs | four |
| The measurement 0.0074 g has how many sig figs | two |
| The measurement 100.005 g has how many sig figs | six |
| The measurement 1020 g has how many sig figs | three |
| Orange juice is an example of a _________. | mixture |
| The best mixed mixture is called | solution |
| This is made up of only one type of matter | pure substance |
| Hydrogen is an example of an | element |
| There are a little over 100 different _________ | elements |
| Water is an example of a | compound |
| Elements _________ together to form compounds | combine |
| This is a good example of a mixture | sand |
| An object's _______ will change if you move it from the Earth to the moon. | weight |
| _______ is how much matter is in an object | mass |
| The triple beam balances measure mass in these units | grams |
| How many kilograms in 1000 grams? | one |
| The amount of space an object take up is called its __________ | volume |
| The volume of a liquid is most often measured in | milliliters |
| The volume of a solid is measured in | centimeters cubed |
| Would cork float or sink in water? | float |
| Would gold sink or float in water? | sink |
| An object has a denisty of 0.25 g/mL; will it float or sink in water? | float |
| An object has a denisty of 6.45 g/mL; will it float or sink in water? | sink |
| What tool do you use to measure the volume of a liquid? | graduated cylinder |
| Denisty = | mass divided by volume |
| 1.00 g/mL is the density of _________ | water |
| If you pack more mass into the same volume, it becomes more _________ | dense |
| holds atoms together | chemical bond |
| group of atoms joined together | molecule |
| example of a complex molecule | protein |
| smallest particles of an element | atoms |
| In any element, all of the atoms are exactly _________ | like |
| Ice melting is an example of a ______ change | physical |
| Na = ____________ | sodium |
| Cl = ____________ | chlorine |
| C = ___________ | carbon |
| Elements and compounds are both __________ | pure substances |
| Adding salt to water _________ the freezing point. | lowers |
| Name of the chart the shows the elements | Periodic Table |
