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7th gr Sci
unit 1 Test: Lab Safety, The metric System, & PHEOCA
| Question | Answer |
|---|---|
| Broken glass must be thrown away in the red bucket. It cannot go in the regular trash can. | true or false |
| Any violation of the safety rules that places you or tothers in danger will result in immediate removal from the classroom. | true or false |
| you must get the teacher's permission before working in the lab. | true or false |
| If your lab partner's sweatshirt catches on fire, wrap him in the fire blanket. | true or false |
| Never taste anything used in the lab unless the teacher says you can. | true or false |
| a liter is the basic unit of | volume |
| meter is the basic unit of | length |
| gram is the basic unit of | mass |
| How many grams are in one kilogram | 1000 |
| How many grams are in one gram | 1000 |
| How many centigrams are in one gram | 100 |
| PHEOCA stand for | problem, hypothesis, experiment, observation, conclusion, apply |
| The first step to the scietific method is to... | What is the problem |
| Materials and procedures are placed in the______section of the PHEOCA lab report. | experiment |
| Data tables and graphs are placed in the ______section of PHEOCA lab report. | observation |
| Any experimat should have how many independent variables | one |
| if the_____________________, then.... | independent variable, dependent varialbe |
| all the things that stay the same during the experiment? | controlled variable |
| the thing that is intentionally changed during the experiment | independent variable |
| the thing that automatically changes in the experiment | dependent variable |