18) Which investigation would best add to her understanding of how temperature affects pressure?

19) Which action would most likely lead to an investigational error in this experiment?

20) Which is the most logical argument as to the relationship between variables?

21) Which safety precaution is most important when working with laboratory glassware?

22) What trend does the data convey?

23) Which safety precaution is most important when working with a Bunsen burner?

24) Which of the students' written logs most effectively records the data?

25) Which best records the data?

26) Which of the students' written logs most effectively records the data?

27) Which of the following graphs would best represent the data?

28) Which of the students' tables most effectively records the data about the change in the lizard's body temperature?

29) Which best records the data?

30) Which investigation would add to Poppy's understanding of what kind of matter is magnetic?