1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Lab Safety Observation Inference Experimental Design Graphing Skills Scientific Method

2. Lab Safety 100 What is the first thing you should do after a chemical spill?

3. Lab Safety 100 Answer Tell the teacher

4. Lab Safety 200 Why is cracked or chipped glassware a hazard in the laboratory?

5. Lab Safety 200 Answer The glass could crack or leak You could get cut

6. Lab Safety 300 How should a microscope be carried properly?

7. Lab Safety 300 Answer Microscopes should be carried with two hands: one on the arm and one on the base

8. Lab Safety 400 Why should specimens always be pinned down when dissecting?

9. Lab Safety 400 Answer To avoid slipping and possible injury to yourself or damage to the specimen

10. Lab Safety 500 What should you do before removing chemicals from a container?

11. Lab Safety 500 Answer Always read the label three times to be sure

12. Observation/Inference 100 What is the definition of inference?

13. Observation/Inference 100 Answer An educated guess based on observation and background knowledge

14. Observation/Inference 200 Observation or inference: It’s cloudy out

15. Observation/Inference 200 Answer Observation

16. Observation/Inference 300 Observation or Inference: It will rain on Friday

17. Observation/Inference 300 Answer Inference

18. Observation/Inference 400 Observation or Inference: There is a white board in the classroom

19. Observation/Inference 400 Answer Observation

20. Observation/Inference 500 Observation or Inference: There will be 14 Skittles in a package

21. Observation/Inference 500 Answer Inference

22. Experimental Design 100 What is the difference between the control and experimental groups?

23. Experimental Design 100 Answer The experimental group gets the factor being tested - the control group does not

24. Experimental Design 200 Why is it important to have a control group?

25. Experimental Design 200 Answer To have a basis for comparison

26. Experimental Design 300 Why is it important to have a large sample size?

27. Experimental Design 300 Answer To reduce chance results in an experiment

28. Experimental Design 400 Describe the difference between the independent and the dependent variables

30. Experimental Design 500 Why is important to only test one variable at a time?

31. Experimental Design 500 Answer To obtain useful results – if there is more than one variable you don’t know which variable caused the result

32. Graphing Skills 100 What is the first thing you do when making a graph?

33. Graphing Skills 100 Answer Pick an appropriate title and create a key

34. Graphing Skills 200 Describe the differences between the x and y axes

35. Graphing Skills 200 Answer The x-axis is horizontal The y-axis is vertical

36. Graphing Skills 300 Which axis holds the dependent variable?

37. Graphing Skills 300 Answer The y axis holds the dependent variable.

38. Graphing Skills 400 The x-axis holds which variable?

39. Graphing Skills 400 Answer The independent variable

40. Graphing Skills 500 When you extend the trend line to predict results, you are using what method?

41. Graphing Skills 500 Answer Extra polation

42. Scientific Method 100 What is the first step to the scientific method?

43. Scientific Method 100 Answer Ask a question or identify a probem

44. Scientific Method 200 Tables, charts, and especially graphs are use to

45. Scientific Method 200 Answer Analyze data or show data more clearly

46. Scientific Method 300 What is a hypothesis?

47. Scientific Method 300 Answer Educated guess

48. Scientific Method 400 What should be done after you draw conclusions about an experiment?

49. Scientific Method 400 Answer Share the results, then repeat

50. Scientific Method 500 What must be collected during an experiment?

51. Scientific Method 500 Answer Data