1. Challenge 5 L. LaRosa http://www.middleschoolscience.com for T. Trimpe 2008 http://sciencespot.net/

2. Briefly describe how you would use these objects to heat the contents of a test tube.

3. First, put on safety goggles and lab apron. Tie back long hair and check your shirt sleeves. Second, light alcohol burner with match. Third, remove test tube from rack and hold test tube with test tube clamp. Finally, when heating test tube, hold with clamp, place bottom of test tube over flame, and point the opening away from your face.