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Oak National Academy
12 questions
Which of these are **essential** things you need to do when planning an experiment?
Put the following steps in order to describe a method for collecting data to plot a heating curve of the solid substance shown in the boiling tube. Begin with 'collect all the equipment'.
What is a gauze used for? On this diagram, it is represented by the wavy line between the tripod and the beaker.
A table for results should include columns to record independent and dependent variables and and other necessary information. The dependent variable is usually recorded in the ___ column.
Which safety precautions are needed for a heating curve experiment, in which a solid is melted in a water bath, with its temperature measured over time?
When transferring information from a results table to a graph, which variable should be plotted along the x-axis?
The table shows data from a heating curve experiment. What is the main reason why it is helpful to plot a graph of these results?
Match the key terms to their definitions.
What can you do to improve the reliability of a set of results?
The table shows data from a heating curve experiment. What would be useful other information to record for each measurement?
The image shows a results table from either a heating or a cooling curve experiment, and from either a pure substance or a mixture. Which of the following statements is true?
Considering the data in the table at the start of the experiment, which graph would be the most likely to represent the results for the whole experiment?
