1.5 Investigating boiling points

What is the purpose of making a hypothesis in an investigation?

• To write the results and data

• To carry out the investigation

• To collect evidence

• To make a possible explanation based on evidence

What is the term used for data that does not fit into the pattern in a line graph?

• Flawed data

• Anomalous data

• Ignored data

• Mistaken data

What is a limitation of an investigation?

• Small sample size

• Flawed methodology

• All of the above

• Unavailability of resources

What should be done with anomalous results in an investigation?

• Include them in the conclusions

• Ignore them

• Highlight them in the graph

• Use them to draw the line graph

What is the purpose of suggesting improvements after making conclusions in an investigation?

• To show off knowledge

• To confuse the readers

• To make the investigation longer

• To acknowledge any flaws or shortcomings

Water boils at different temperatures depending on ................................

• voltage of the heater

• its taste.

• the altitude.

To plan an investigation you have to carry out the investigation, this means .................................................

• collect evidence.

• draw a graph to present data.

• make conclusions.

To plan an investigation you have to write the results and data, this means .................................................

• collect evidence.

• draw a graph to present data.

• make conclusions.

To plan an investigation you have to analyze the evidence by making .................................................

• collect evidence.

• draw a graph to present data.

• conclusions and suggesting improvements.

When we plan an investigation we write all the results in a table, why?

• to make it easy to see all the data.

• to make it easier to spot a pattern.

• make a hypothesis.