# charting quiz Measure the acceleration on the @boardname@ in the "x" direction. ## Name ## Directions Use this activity document to guide your work in the [glowing pendulum tutorial](/lessons/glowing-pendulum/activity) Answer the questions while completing the tutorial. Pay attention to the dialogues! ## 1. Why are you creating a 'forever' loop? <br/> ## 2. Write the line of code to measure the acceleration with respect to the "y" axis and store this value in a local variable called 'acceleration'. <br/> ## 3. After vigarously moving the @boardname@ from side to side along the "x" axis for a sufficient amount of time,insert the Excel graph for displaying a line chart used to display trends over time.