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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 |