IB Physics Chemistry ia topics ideas research questions sample example

Some IB Chemistry IA Start-Up Ideas

How does the content of ascorbic acid in common acidic foods, like lemon juice, change when heated?
Measuring the difference in pH between two acidic samples.
Separating Bacillus species from Clostridium strains using a catalase test.
Comparing the hardness of different water samples—such as ordinary tap water, purified water, or water from a nearby pond—using complexometric titration with ethylenediamine tetraacetic acid (EDTA).
Building an electrolytic cell to measure how temperature variations affect the pace at which steel corrodes.
Assessing the impact of adding ethanol to gasoline on its combustion enthalpy using a water calorimeter experiment.
Assessing how heating affects the concentration of.

IB Physics IA example:
What effect does a squash ball's temperature have on how high it bounces back when dropped from rest onto a fixed surface from a fixed height?

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