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Sci.Inv&LabSafetyJB
Question | Answer |
---|---|
Hypothesis | Possible explanation/answer for a scientific question |
Variables | All the factors that can change in an experiment |
Controlled Experiment | An experiment in which only one variable is changed at a time |
Balance | A tool used to measure objects |
Graduated Cylinder | A beaker used to measure volume |
Microscope | A tool used to measure weight and force |
Thermometer | A tool used to measure temperature |
Test Tube | Cylinder tube that is open on one side and closed at the other |
Manipulated (Independant) Variable | Variable that is purposely changed to test a hypothesis |
Responding (Dependent) Variable | Variable that may change in response to the manipulated variables |
Constants | Controlled variables (all the other variables) |
Percentage | Amount |
X-Axis | Horizontal Axis; Dependent Variable |
Always wear | Close toed shoes |
(If Possible) Wear clothes made of | Cotton |
If chemicals get into your eyes flush for at least | 15 minutes |
Do not use glassware if it is | cracked or chipped |
Always pour an | acid into water, not vise-versa |
Never use electrical equipment with | damaged cords |
Always point beaker | away from you |
Do not | eat, drink, or gum in the lab |
Never taste | chemicals |
Always read | labels and instructions |
Do not inhale | fumes |
During field expirements never | wander off alone |