Answer:
Use test tubes to observe the effects of temperature.
Step-by-step explanation:
I will use two test tubes to carry out my experiment in order to test the effect of temperature.
First I will fill both the test tube with the same exact solution and at same level and set both the test tube at same level of temperature.
Then I will look for changes in behavior of the solution by changing the temperature levels.
I will then observe the effects of these changes on the solution and compare it with the initial observations to measure how adding or removing heat has effected the solution in different ways.