Laboratory Skills and Safety (Grade 10 NSC Matric Physical Sciences): Flashcards
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Practise the cards
10 cards from this deck
Scientific method
Scientific method
Systematic process for conducting reliable experiments
Hypothesis in scientific method
Hypothesis in scientific method
Testable explanation for an observed event
Independent variable
Independent variable
Factor you deliberately change in an experiment
Dependent variable
Dependent variable
Factor you measure or observe in an experiment
Qualitative analysis
Qualitative analysis
Descriptive observations
Quantitative analysis
Quantitative analysis
Numerical measurements
Rule for adding acid and water
Rule for adding acid and water
Always add acid to water, never water to acid
Corrosive hazard symbol (C)
Corrosive hazard symbol (C)
Burns skin, eyes, clothing (e.g., hydrochloric acid)
Heating measuring cylinders
Heating measuring cylinders
Never heat - thick glassware will crack
Pipette purpose
Pipette purpose
Precise transfer of small liquid volumes