Term | Definition |
Science | The study of the natural world. |
Observing | Using 1 more senses to gather info. |
Inferring | Guessing based on reasoning from what you already know. |
Predicting | Making a forecast based on past experience or evidence. |
Chemistry | Study of matter & how it changes. |
Physics | Study of matter energy motion forces & their interactions. |
Scientific Inquiry | Different ways scientists study the natural world. |
Hypothesis | A possible answer to a scientific question or explanation for a set of observations. |
Parameter | Factor that can be measured in an experiment. |
Manipulated Variable | One Variable parameter scientists change. |
Responding Variable | Variable parameter that is expected to change because of the manipulated variable. |
Controlled Experiment | Experiment which only a parameter is manipulated at a time. |
Data | Facts. |
Communicating | Sharing ideas. |
Model | Is a picture or a representation of an object or process. |
Scientific Theory | Is a well tested explanation for wide range of observations or experimental results. |
Scientific Law | Is a statement that describes what scientists expect to happen. |
SI | International System of Units. |
Weight | Is a measure of force of gravity on you. |
Mass | is a measure of the amount of matter an object contains. |
Estimate | Is an approximation of a number based on reasonable assumptions. |
Accuracy | refers to how close a measurement is to the true or actual value. |
Reproducibility | refers to how close a group of measurements are to each other. |
Significant Figures | in a measurement include all digits. |
Precision | is a measure of the exactness. |
Graph | Picture of data |
Horizontal axis | left to right |
vertical axis | up and down |
origin | two axis cross |
coordinate | pair of numbers used to determine position |
data point | point showing the location of intersection |
line of best fit | smooth line that reflects pattern |
linear graph | data points yielding a state line |
slope | steepness of graph |
nonlinear graph | a line graph were data points are not in a straight line |