Answer:
Test tubes, thermometers, and graphs of results
Explanation:
If temperature is being meadured, a thermometer will be needed. With that fact alone this answer is correct, but to go further, we can you process of elimination. The first answer talks about video tapes lf water samples and using the Internet. Neither one of thise things will help see the affect of temperature. The second answer talks about pH strips, which would not be useful for the experiment.