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science vocab
Term | Definition |
---|---|
Science | the study of the natural world |
Observing | use 2 or more senses to get info(sight, hearing, touch,taste, and smell |
Inferring | explaining your observations from what you already know |
Predicting | make a statement about the future based on experience |
Chemistry | properties of matter and how it changes |
Physics | the study of how matter, energy, motion, and forces work |
Science Inquiry | the process used in scientific thinking and problem solving |
Hypothesis | a possible answer to a question that can be tested |
Parameter | factors that can be measured |
Manipulated Variable | the factor that you change x axis also called the Independent Variable |
Responding Variable | the variable that changes because of another variable's change y axis also called the dependent variable |
Controlled Experiment | test an hypothesis |
Data | facts, figures, and other information gathered from an experiment |
Qualitative | no measurements/ numbers |
Quantitative | has measurements/ numbers |
Communicating | share your results |
Model | when can’t observe |
Scientific theory | well tested explanation of observation |
Scientific law | scientists expect to happen every time |
Graph | a picture of your data and shows correlations |
Vertical Axis | graph line that runs up and down; y-axis; Dependent (responding) Variable |
Horizontal Axis | graph line that runs left to right; x-axis; independent (manipulated) Variable. |
Coordinate | a pair of numbers that tell the position of a point |
Data Point | shows the location of the intersection of data |
Line of Best Fit | reflects general pattern of a graph. Average of data |
Linear Graph | graph where data points form a straight line |
Non-linear Graph | data does not fall along a straight line; cannot draw line of best fit |
Slope | The steepness of the graph line |
Origin | Where the x and y axis meet (0,0) |