Laboratory Skills and Safety (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a hypothesis in the scientific method?
What is a hypothesis in the scientific method?
A testable explanation
Which variable is deliberately changed during an experiment?
Which variable is deliberately changed during an experiment?
Independent variable
Which section analyses what experimental results mean?
Which section analyses what experimental results mean?
Discussion
What type of analysis uses descriptive observations?
What type of analysis uses descriptive observations?
Qualitative analysis
Why do flasks have a conical shape?
Why do flasks have a conical shape?
To prevent splashing
Where should you read the liquid level in a measuring cylinder?
Where should you read the liquid level in a measuring cylinder?
At the meniscus top
What is the correct procedure for mixing acid and water?
What is the correct procedure for mixing acid and water?
Add acid to water
What happens if you heat thick glassware like measuring cylinders?
What happens if you heat thick glassware like measuring cylinders?
They crack
Which hazard symbol represents corrosive chemicals?
Which hazard symbol represents corrosive chemicals?
C
What should you do immediately if there is a chemical spill?
What should you do immediately if there is a chemical spill?
Call your teacher