Safety, Metrics, Measurement, and Scientific Method
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Transcript of Safety, Metrics, Measurement, and Scientific Method
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Safety
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Metrics Measurement Scientific Method
Miscellaneous
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Question: What is the name of this symbol?
Check Your Answer
Safety for 1
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Answer: Biological Hazard
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Safety for 1
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Question: What safety rule is being broken in this picture?
Safety for 2
Check Your Answer
![Page 6: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/6.jpg)
Answer: Never point a test tube towards your face or someone else’s face
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Safety for 2
![Page 7: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/7.jpg)
Question: Explain three rules you should follow at the end of a lab
Safety for 3
Check Your Answer
![Page 8: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/8.jpg)
Answer: clean out glassware or equipment
Dispose of all chemicals properly
Wash your hands
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Safety for 3
![Page 9: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/9.jpg)
Question: Explain why you should never put chemicals back in their original container
Safety for 4
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![Page 10: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/10.jpg)
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.
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Safety for 4
![Page 11: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/11.jpg)
Question: Draw the symbol for chemical safety
Safety for 5
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![Page 12: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/12.jpg)
Answer:
Back to the Game Board
Safety for 5
![Page 13: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/13.jpg)
Question: What is the base unit for length/distance in the metric system?
Metrics for 1
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![Page 14: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/14.jpg)
Answer: Meters
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Metrics for 1
![Page 15: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/15.jpg)
Question: Liters are the basic unit for which measurement?
Metrics for 2
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![Page 16: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/16.jpg)
Answer: volume
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Metrics for 2
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Metrics for 3
Check Your Answer
Question: What is the metric system based on?
![Page 18: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/18.jpg)
Answer: the power of ten
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Metrics for 3
![Page 19: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/19.jpg)
Question:
5.182 m=____ mm
Metrics for 4
Check Your Answer
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Back to the Game Board
Metrics for 4
Answer: 5,182 mm
![Page 21: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/21.jpg)
Question:
250 cm=_____dkm
Metrics for 5
Check Your Answer
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Answer: 0.250 dkm
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Measurement for 5
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Question: What instrument do you use to measure the mass of an object?
Measurement for 1
Check Your Answer
![Page 24: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/24.jpg)
Answer: triple beam balance
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Measurement for 1
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Question: What is the name of this piece of glassware?
Measurement for 2
Check Your Answer
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Answer: beaker
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Measurement for 2
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Question: What is the definition of temperature?
Measurement for 3
Check Your Answer
![Page 28: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/28.jpg)
Answer: A measure of how hot or cold and object is based on some standard value
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Measurement for 3
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Question: What is this lab instrument called?
Measurement for 4
Check Your Answer
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Answer: Erlenmeyer Flask
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Measurement for 4
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Question: Explain how to find the volume of an irregular object
Measurement for 5
Check Your Answer
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Answer:
1.Fill the graduated cylinder with water and take the reading of the volume.
2.Drop in the irregular object.
3.Take another reading of the volume.
4.Subtract #1 from #2.
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Measurement for 5
![Page 33: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/33.jpg)
Question: What is the first step in the scientific method?
Scientific Method for 1
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![Page 34: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/34.jpg)
Answer: think of an idea or problem
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Scientific Method for 1
![Page 35: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/35.jpg)
Question: What is a hypothesis?
Scientific Method for 2
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Answer: an educated guess or prediction about what will happen in an experiment
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Scientific Method for 2
![Page 37: Safety, Metrics, Measurement, and Scientific Method](https://reader033.fdocuments.us/reader033/viewer/2022061514/56813279550346895d991277/html5/thumbnails/37.jpg)
Question: What do you have to do if your data do not support your hypothesis?
Scientific Method for 3
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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
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Scientific Method for 3
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Question: Identify the dependent variable:
Ashraff experiments to determine how the width of wheels affect the distance cars travel.
Scientific Method for 4
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Answer: DV- distance the car travels
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Scientific Method for 4
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Question: What are the steps of the scientific method? Name them in order.
Scientific Method for 5
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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
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Scientific Method for 5
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Question: What is the instrument used to measure temperature?
Miscellaneous for 1
Check Your Answer
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Answer: a Celsius thermometer
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Miscellaneous for 1
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Question: What instrument is this?
Miscellaneous for 2
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Answer: tongs
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Miscellaneous for 2
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Question:
86.79 mm=___km
Miscellaneous for 3
Check Your Answer
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Answer: 0.00008679 km
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Miscellaneous for 3
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Question: Identify the independent variable:
Sophia wants to determine how much strength can be gained by lifting different sets of weights
Miscellaneous for 4
Check Your Answer
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Answer: different sets of weights
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Miscellaneous for 4
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Question: If you are reading the volume of a liquid in a graduated cylinder, what must you read the bottom of?
Miscellaneous for 5
Check Your Answer
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Answer: the meniscus.
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Miscellaneous for 5