| A | B |
| critical thinking | comparing what you already know with the information you are given in order to decide whether you agree with it. |
| hypothesis | possible explanation for an observation that can be tested by scientific investigation. |
| inference | logical explanation of an observation that is drawn from prior knowledge or experience |
| observation | act of using one or more of your senses to gather information and taking note of what occurs. |
| physical science | describes a branch of science in which matter and energy are studied. |
| potential | possible, likely, or probable |
| prediction | statement of what will happen next in a sequence of events. |
| science | investigation and exploration of natural events and of the new information that results from these investigations. |
| scientific law | rule that describes a pattern in nature. |
| scientific theory | explanation of observations or events that is based on knowledge gained from many observations and investigations. |
| technology | practical use of scientific knowledge, especially for industrial or commercial use. |
| life science | The study of living things. |
| Earth Science | The study of earth, rock, weather |
| How many branches of science | three |
| First step of scientific method | Observe/ask questions |
| Last step of scientific method | draw conclusions and communicate results |
| description | A written or spoken summary of observations. |
| explanation | An interpretation of observations. |
| qualitative description | This is a description where numbers and measurements are used to describe an observation. |
| quantitative observation | This is a description where the senses are used to describe an observation. |
| International System of Units | The internationally accepted system of measurement |
| significant digits | The number of digits in a measurement that you know with a certain degree of reliability. |
| mean | the sum of the numbers in the set divided by the number of entries in the set. |
| median | This is the middle number when data in a data set are arranged in numerical order. |
| mode | The number or item that appears most often. |
| range | the difference between the greatest and the smallest number in the data set. |
| Journal | A notebook that you use to take notes or record information and data when conducting scientific investigations. |
| Graduated cylinder | This is used to measure the volume of a liquid. |
| triple-beam balance | This is used to meaure the mass of an object. |
| thermometer | This is used to measure temperature. |
| wind vane | This measures wind direction |
| streak plate | this is used to help identify minerals |
| What year was Otzi discovered | 1991 |
| Where was he discovered | Swiss Alps |
| Discuss two theories regarding Otzi's Death | He was a shepard and possible got lost in the mountains. He was a man of importance (becuse of copper ax during the stone age) and was murdered by someone he knew. He was killed by a waring tribe. |
| variable | Any factor that can have more than one value. |
| independent variable | The factor you want to test. It is what you change in the experiment and observed to see how it affects a dependent variable. |
| dependent variable | The factor being measured or observed during an experiment. |
| control group | This group contains the same factors as the experimental group, but the independant variable does not change. |
| experimental group | This group contains the same factors, but the independant variable is changed in this group. |
| Why were the pollen grains important to the case? | It gave a timeline of when he ate and when he died. It showed he traveled up and down the mountain and then went back up before he died. |
| What illness did the iceman have | lymes disease |
| What was lodged in his left shoulder? | Arrowhead |