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6th g science invest
| Question | Answer |
|---|---|
| S I units | another name for the metric system that most scientists in all countries use. Based on # 10 |
| triple beam balance | a tool used to measure the mass of an object in grams (g) |
| graduated cylinder | a tool used to measure volume in milliliters (ml) |
| meniscus | the curved surface of a liquid in a graduated cylinder |
| observation | any use of the 5 senses to gather information |
| hypothesis | a possible explanation or answer to a question |
| data | any piece of information gathered through investigation |
| conclusion | a report made by a scientist after carefully analyzing the results of their tests to see if their data supports the hypothesis |
| inference | the act of reasoning from factual knowledge or evidence |
| model | a representation of an object or system. using something familiar to help you understand something unfamiliar. mosels have limits |
| theory | a unifying explanation for a broad range of hypotheses and observations that have been supported by testing |
| law | a summary of many experimental results and observations. A law tells how things work |
| independent variable | a factor that is changed on purpose by the scientist that affects the result of an experiment |
| dependent variable | depends or responds to the independent variable.it affects the result of an experiment and is measured to see if the I.V. has affected the results |
| mass | the amount of matter something is made of.it is not affected by gravity. measured in grams (g) |
| weight | measure of the gravitational force exerted on an object. measured in Newtons (N) using a spring balance |