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Unit 1
How Scientists Work
| Term | Definition |
|---|---|
| balance | a tool used to measure the amount of matter in an object, which is the object’s mass |
| control | the experimental setup to which you will compare all other setups |
| evidence | information collected during a scientific investigation |
| experiment | an investigation in which all the conditions are controlled to test a hypothesis |
| investigation | a procedure carried out to carefully observe, study, or test something in order to learn more about it |
| microscopic | too small to be seen without using a microscope |
| opinion | a personal belief or judgment based on what a person thinks or feels, but not necessarily based on evidence |
| Science | the study of the natural world through observation and investigation |
| scientific method | the different ways that scientists perform investigations and collect reliable data |
| spring scale | a tool used to measure force |
| variable | any condition that can be changed in an experiment |
| accurate | in measurements, very close to the actual size or value |