| A | B |
|---|
| what you do if there is a fire | use fire blanket or extinguisher |
| what to do if you break glass | sit still and get the teacher's attention |
| what to do if you get acid in your eye | go immediately to the eyewash |
| what to do if you are using acid | wear goggles |
| qualitative observation | gathering information using your senses |
| quantitative observation | an observation you count or measure |
| inference | an educated guess based on observaions |
| problem | question you hope to answer |
| hypothesis | an educated guess about the solution to a problem |
| materials | things you will use in an experiment |
| procedure | list of steps in an experiment |
| data | observations from an experiment |
| conclusion | final discussion about an experiment |
| centi- | 1/100 of the basic unit |
| milli- | 1/1000 of the basic unit |
| kilo- | 1000 of the basic unit |
| meter | basic unit for length |
| liter | basic unit for volume |
| density | amout of mass in a certain volume |
| convection | hot fluids rise and cool fluids sink |
| inner core | layer of inner Earth made of solid iron and nickel |
| outer core | layer of inner Earth that is completely liquid |
| crust | layer of Earth that is broken into plates |
| converging | plates move together |
| diverging | plates move apart |
| subduction | a denser plate sinks under a less dense plate |
| transform | plates move side by side |
| Himalayas | place where plates converge |
| mid-ocean ridge | place where plates diverge |
| fault | break in Earth's crust where rocks slide past each other |
| focus | underground starting point of earthquake |
| epicenter | place on surface where earthquake is felt the most |
| p-wave | fastest earthquake wave |
| s-wave | earthquake wave that moves side to side |
| surface wave | earthquake wave that causes most damage |
| tsunami | large ocean wave caused by an earthquake |
| active | volcano that is erupting or about to erupt |
| dormant | volcano that does not show signs of erupting but may erupt |
| extinct | volcano that is not likely to erupt |
| hot spot | weak spot in Earth's crust where magma pushes through |
