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- 1. Multiple Choice
Which of these is NOT true for systematic errors?
They arise due to errors in the measuring instruments used.
Repeating the observations or increasing the sample size can eliminate them
They are reproducible inaccuracies that are consistently in the same direction.
They arise from the design of the study.
- 2. Multiple Choice
Which of these is NOT true for random errors?
They are difficult to detect.
They do not arise from the design of the study.
They are less likely for small sample sizes.
- 3. Multiple Choice
Systematic errors lead to a lack of:
accuracy in the measurement.
significant digits in the measurement.
precision in the measurement.
gradation of the measuring instrument
- 4. Multiple Choice
Random errors lead to a lack of:
accuracy in the measurement.
significant digits in the measurement.
precision in the measurement.
gradation of the measuring instrument
- 5. Multiple Choice
Repeated measurements of a quantity can reduce the effects of
both random errors and systematic errors
neither random errors nor random errors
random errors
systematic errors
- 6. Multiple Choice
How close a measurement is to the true value is called..
Accuracy
Precision
Significant
Estimate
- 7. Multiple Choice
This bullseye demonstrates...
High Accuracy & High Precision
High Accuracy & Low Precision
Low Accuracy & High Precision
Low Accuracy & Low Precision
- 8. Multiple Choice
length?
3.2 cm
3.12 cm
3 cm
3.219 cm
- 9. Multiple Choice
The metal is 7.1 cm long
7 is the estimated digit
1 is the estimated digit
7 is the uncertain digit
Both 7 and 1 are estimated digits
- 10. Multiple Choice
You place a rock on the electronic balance an it measures a mass of 12.38 g. The estimated digit is....
1
2
3
8
- 11. Multiple Choice?High Accuracy & High PrecisionHigh Accuracy & Low PrecisionLow Accuracy & High PrecisionLow Accuracy & Low Precision
- 12. Multiple Choice
volume?
48 mL
48.2 mL
48.25 mL
4 mL
- 13. Multiple Choice
Volume?
63.5 mL
63 mL
63.55 mL
6 mL
- 14. Multiple Choice
Which of the following is the answer for the problem with the correct number of significant digits?
23.91 x 12.861 = 307.50651
308
307.51
307.5
307
- 15. Multiple ChoiceWhich of the following is the answer for the problem with the correct number of significant digits?
0.0025 x 1.41 = 0.0035250.000.0040.003530.0035 - 16. Multiple ChoiceSolve & Round to Correct Sig Figs.
4.5 + 4.32 =8.88.788.0 - 17. Multiple ChoiceDivide these numbers and show the correct number of significant figures
0.04263
÷
0.3060.1390.13930.139310.14 - 18. Multiple ChoiceWhat is 0.0568 rounded to 1 significant figure?0.00.060.60.057
- 19. Multiple ChoiceWhat is 67,490 rounded to 2 significant figures?67 50060 00068,00067, 000
- 20. Multiple ChoiceA set of data are all close to each other, but they are not close to the actual value. This set of data can be described as...accuratepreciseboth precise and accurate
- 21. Multiple ChoiceA set of data are not close to each other, but the average of the data is very close to the actual value. This set of data can be described as...accuratepreciseboth precise and accurate
- 22. Multiple ChoiceThere are __?__ significant digits in the number 0.000762456
- 23. Multiple ChoiceThere are __?__ significant digits in the number 90,000.001257
- 24. Multiple Choice
Hypotheses are best described as
confirmations
replications
assumptions
predictions
- 25. Multiple ChoiceWhen experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?DependentIndependentControl
- 26. Multiple ChoiceWhich variable is the same for each test subject in an experiment?DependentIndependentControl
- 27. Multiple ChoiceThis is the step of the scientific method where you record OBSERVATIONS in a DATA TABLE, and then make a GRAPH.HypothesisData/ResultsProcedureConclusion
- 28. Multiple ChoiceThere are two types of data. Which type of data involves descriptions/photographs/illustrations that cannot be counted or measured?qualitativequantitative
- 29. Multiple Choice
Which of these things is an example of quantitative data?
465 cm
The car swerved to the right
The data was not accurately collected
The car ran into someone's foot
- 30. Multiple ChoiceMaria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?Length of the birdfeedersAmount of time feeders are outsideAmount of seed eatenLocation the feeders are put in. - 31. Multiple ChoiceMs. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?Distance traveled by the ballHeight of the rampMass of the ballWhere the experiment took place.
- 32. Multiple Choice
Which of the following does not exist?
The Xavier Table Tennis Team
The Xavier Chess Club
The Xavier Botany Club
The Xavier Cricket Team
- 33. Multiple Choice
Which of the following things about KD are true?
Was raised by polar bears
Only eats broccoli and asparagus
Has a pet penguin named Pengu
Has met Bill Nye
- Answer choicesTagsAnswer choicesTags