W E E K 2 5

PHYSICAL SCIENCE VOCABULARY

1) DATA

• Information collected through observation and scientific research

2) CONCLUSION

• A final explanation of what the results of an experiment show

3) TRIAL

• Each repetition of an experiment

4) DERIVED UNITS

• Measurements made up of combined base units

5) SI

• Système international; metric measuring system based on units of ten; primary system used in science

6) DENSITY

• Physical property that compares the mass of a substance per unit volume

7) QUANTITATIVE DATA

• Any data that are expressed using numbers

8) RANGE

• Difference between the highest and lowest values in a series of numbers

9) MEAN

• Average value of a set of data; equal to the sum of the values divided by the number of values

10) MEDIAN

• Number that falls exactly in the middle of a set of data when the data are arranged in order from least to greatest