Starter quiz
- Which of the following descriptions best describes a pure material?
- Made of only one type of substance ✓
- Made of two or more types of substances
- A type of mixture
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- If you needed to measure the volume of a liquid, which apparatus would you use?
- Balance
- Beaker
- Measuring cylinder ✓
- Ruler
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- What unit is commonly used to measure mass in the laboratory?
- 'grams' ✓
- When measuring the volume of a liquid, which unit of measurement is typically used?
- 'cm³' ✓
- How might the presence of impurities in a substance affect the accuracy of measurements taken during an experiment?
- They increase the cost of the experiment
- They make the substance look different
- They can alter the melting and boiling points of the substance ✓
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- When measuring the temperature of a liquid, why is it important to ensure the thermometer is not touching the sides or bottom of the container?
- To keep the thermometer clean
- To obtain a more accurate temperature reading of the liquid ✓
- To prevent breaking the thermometer
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