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Metrics Measurement Scientific Method

Miscellaneous

Question: What is the name of this symbol?

Check Your Answer

Safety for 1

Answer: Biological Hazard

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Safety for 1

Question: What safety rule is being broken in this picture?

Safety for 2

Check Your Answer

Answer: Never point a test tube towards your face or someone else’s face

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Safety for 2

Question: Explain three rules you should follow at the end of a lab

Safety for 3

Check Your Answer

Answer: clean out glassware or equipment

Dispose of all chemicals properly

Wash your hands

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Safety for 3

Question: Explain why you should never put chemicals back in their original container

Safety for 4

Check Your Answer

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

Question: Draw the symbol for chemical safety

Safety for 5

Check Your Answer

Answer:

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Safety for 5

Question: What is the base unit for length/distance in the metric system?

Metrics for 1

Check Your Answer

Answer: Meters

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Metrics for 1

Question: Liters are the basic unit for which measurement?

Metrics for 2

Check Your Answer

Answer: volume

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Metrics for 2

Metrics for 3

Check Your Answer

Question: What is the metric system based on?

Answer: the power of ten

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Metrics for 3

Question:

5.182 m=____ mm

Metrics for 4

Check Your Answer

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Metrics for 4

Answer: 5,182 mm

Question:

250 cm=_____dkm

Metrics for 5

Check Your Answer

Answer: 0.250 dkm

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Measurement for 5

Question: What instrument do you use to measure the mass of an object?

Measurement for 1

Check Your Answer

Answer: triple beam balance

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Measurement for 1

Question: What is the name of this piece of glassware?

Measurement for 2

Check Your Answer

Answer: beaker

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Measurement for 2

Question: What is the definition of temperature?

Measurement for 3

Check Your Answer

Answer: A measure of how hot or cold and object is based on some standard value

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Measurement for 3

Question: What is this lab instrument called?

Measurement for 4

Check Your Answer

Answer: Erlenmeyer Flask

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Measurement for 4

Question: Explain how to find the volume of an irregular object

Measurement for 5

Check Your Answer

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

Question: What is the first step in the scientific method?

Scientific Method for 1

Check Your Answer

Answer: think of an idea or problem

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Scientific Method for 1

Question: What is a hypothesis?

Scientific Method for 2

Check Your Answer

Answer: an educated guess or prediction about what will happen in an experiment

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Scientific Method for 2

Question: What do you have to do if your data do not support your hypothesis?

Scientific Method for 3

Check Your Answer

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

Question: Identify the dependent variable:

Ashraff experiments to determine how the width of wheels affect the distance cars travel.

Scientific Method for 4

Check Your Answer

Answer: DV- distance the car travels

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Scientific Method for 4

Question: What are the steps of the scientific method? Name them in order.

Scientific Method for 5

Check Your Answer

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

Question: What is the instrument used to measure temperature?

Miscellaneous for 1

Check Your Answer

Answer: a Celsius thermometer

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Miscellaneous for 1

Question: What instrument is this?

Miscellaneous for 2

Check Your Answer

Answer: tongs

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Miscellaneous for 2

Question:

86.79 mm=___km

Miscellaneous for 3

Check Your Answer

Answer: 0.00008679 km

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Miscellaneous for 3

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

Answer: different sets of weights

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Miscellaneous for 4

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

Answer: the meniscus.

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Miscellaneous for 5