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Safety, Metrics, Measurement,

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Presentation on theme: "Safety, Metrics, Measurement,"— Presentation transcript:

1 Safety, Metrics, Measurement,
and Scientific Method

2 Safety Metrics Measurement Scientific Method Miscellaneous 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5

3 Safety for 1 Check Your Answer
Question: What is the name of this symbol? Check Your Answer

4 Safety for 1 Answer: Biological Hazard Back to the Game Board

5 Safety for 2 Check Your Answer
Question: What safety rule is being broken in this picture? Check Your Answer

6 Safety for 2 Answer: Never point a test tube towards your face or someone else’s face Back to the Game Board

7 Safety for 3 Question: Explain three rules you should follow at the end of a lab Check Your Answer

8 Safety for 3 Back to the Game Board
Answer: clean out glassware or equipment Dispose of all chemicals properly Wash your hands Back to the Game Board

9 Safety for 4 Question: Explain why you should never put chemicals back in their original container Check Your Answer

10 Safety for 4 Back to the Game Board
Answer: Chemicals could become contaminated by dust or oils from fingers so they should not be put back into the original container in order to keep that container of chemicals pure. Back to the Game Board

11 Safety for 5 Question: Draw the symbol for chemical safety Check Your Answer

12 Safety for 5 Answer: Back to the Game Board

13 Metrics for 1 Question: What is the base unit for length/distance in the metric system? Check Your Answer

14 Metrics for 1 Answer: Meters Back to the Game Board

15 Metrics for 2 Question: Liters are the basic unit for which measurement? Check Your Answer

16 Metrics for 2 Answer: volume Back to the Game Board

17 Metrics for 3 Check Your Answer
Question: What is the metric system based on? Check Your Answer

18 Metrics for 3 Answer: the power of ten Back to the Game B oard

19 Metrics for 4 Question: Why do scientists use the metric system? Check Your Answer

20 Metrics for 4 Answer: consistency Back to the Game Board

21 Metrics for 5 Question: Check Your Answer
What would you use to mix a liquid without spilling? Check Your Answer

22 Measurement for 5 Answer : flask Back to the Game Board

23 Measurement for 1 Question: What instrument do you use to measure the mass of an object? Check Your Answer

24 Measurement for 1 Answer: triple beam balance Back to the Game Board

25 Measurement for 2 Check Your Answer
Question: What is the name of this piece of glassware? Check Your Answer

26 Measurement for 2 Answer: beaker Back to the Game Board

27 Measurement for 3 Question: What is the definition of temperature? Check Your Answer

28 Measurement for 3 Back to the Game Board
Answer: A measure of how hot or cold and object is based on some standard value Back to the Game Board

29 Measurement for 4 Check Your Answer
Question: What is this lab instrument called? Check Your Answer

30 Measurement for 4 Answer: Erlenmeyer Flask Back to the Game Board

31 Measurement for 5 Check Your Answer
Question: Explain how to find the volume of an irregular object Check Your Answer

32 Measurement for 5 Back to the Game Board Answer:
Fill the graduated cylinder with water and take the reading of the volume. Drop in the irregular object. Take another reading of the volume. Subtract #1 from #2. Back to the Game Board

33 Scientific Method for 1 Question: What is the first step in the scientific method? Check Your Answer

34 Scientific Method for 1 Back to the Game Board
Answer: think of an idea or problem Back to the Game Board

35 Scientific Method for 2 Question: What is a hypothesis? Check Your Answer

36 Scientific Method for 2 Back to the Game Board
Answer: an educated guess or prediction about what will happen in an experiment Back to the Game Board

37 Scientific Method for 3 Question: What do you have to do if your data do not support your hypothesis? Check Your Answer

38 Scientific Method for 3 Answer: You have to make the conclusion that you reject your hypothesis and then next time you can develop an experiment with a new hypothesis Back to the Game Board

39 Scientific Method for 4 Question: Identify the dependent variable: Ashraff experiments to determine how the width of wheels affect the distance cars travel. Check Your Answer

40 Scientific Method for 4 Back to the Game Board
Answer: DV- distance the car travels Back to the Game Board

41 Scientific Method for 5 Question: What are the steps of the scientific method? Name them in order. Check Your Answer

42 Scientific Method for 5 Back to the Game Board
Answer: 1. Think of an idea/question 2. Research your topic 3. Plan your experiment/develop hypothesis 4. Experiment 5. Collect, record, and analyze data 6. Make a conclusion Back to the Game Board

43 Miscellaneous for 1 Question: What is the instrument used to measure temperature? Check Your Answer

44 Miscellaneous for 1 Back to the Game Board
Answer: a Celsius thermometer Back to the Game Board

45 Miscellaneous for 2 Question: What instrument is this? Check Your Answer

46 Miscellaneous for 2 Answer: tongs Back to the Game Board

47 Miscellaneous for 3 Question: 86.79 mm=___km Check Your Answer

48 Miscellaneous for 3 Answer: km Back to the Game Board

49 Miscellaneous for 4 Check Your Answer
Question: Identify the independent variable: Sophia wants to determine how much strength can be gained by lifting different sets of weights Check Your Answer

50 Miscellaneous for 4 Back to the Game Board
Answer: different sets of weights Back to the Game Board

51 Miscellaneous for 5 Question: If you are reading the volume of a liquid in a graduated cylinder, what must you read the bottom of? Check Your Answer

52 Miscellaneous for 5 Answer: the meniscus. Back to the Game Board


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