Final answer:
To measure the variables in a lab experiment, you may use different tools such as a thermometer, stopwatch, ruler, or balance.
Step-by-step explanation:
The variables that you will measure depend on the specific lab objective. However, some common variables that you may need to measure include:
- Temperature: You can measure temperature using a thermometer.
- Time: You can measure time using a stopwatch or a clock.
- Length: You can measure length using a ruler or a tape measure.
- Mass: You can measure mass using a balance or a scale.
Remember to refer to the lab objective to determine the variables you need to measure and the appropriate equipment for each variable.