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Measurement/Graphing
| Question | Answer |
|---|---|
| Qualitative | use description words |
| Qualitative | collect data in words, and images |
| Quantitative | collect data in numbers |
| Quantitative | very exact |
| SI | international system of measurement |
| SI | based on units of 10 |
| length | base unit-meter (m) |
| Mass | base unit is gram (g) |
| mass | amount of matter an object contains |
| gravity | what gives mass weight |
| mass | related to weight |
| volume | amount of space something occupies |
| volume | base unit -cm3-solid |
| True | objects can have the same amount of volume but have different amounts of mass |
| volume equation for a solid | length x width x height |
| meniscus | curve at bottom of liquid in graduated cyclinder |
| meniscus | caused by water molecules sticking to sides of cylinder |
| What is the tool used to measure length? | metric ruler |
| What is the unit used in length? | meter |
| What is the tool used to measure mass? | balance |
| What is the unit used in mass? | gram |
| What is the tool to measure temperature? | thermometer |
| What is the unit used in temperature? | Kelvin |
| What tool is used to measure volume? | graduated cylinder |
| What unit is used in volume? | cubic centimeter or liter |
| What is used to measure time? | stopwatch |
| What unit is used in time? | seconds |
| Graphs are used to: | "see" relationships among data from experiments |
| directly porportional graph | as one variable increases so does the other one |
| inversely proportional graph | as one relationship increases the other decreases |
| circle graph | best for showing percentages |
| bar graph | best for showing changes in one thing over time |
| line graph | best for showing the relationship between 2 changing variables |
| The X axis goes on the ____________ axis | horizontal |
| The Y axis goes on the ______ axis | vertical |
| The independent variable goes on the ____ axis | X |
| The dependent variable goes on the _____ axis | Y |
| When you create the scale for your X and Y axis the increments must be in even amounts | True |
| volume | base unit for liquid-liter-L |
| hypothesis | a possible explanation or an answer to a question. |
| prediction | an if-then statement |
| prediction | states the results of an experiement in advance |
| independent variable | what is changed in an experiment |
| dependent variable | what changes due to the independent variable |
Created by:
rfabish
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