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- 1. Multiple ChoiceThe study of matter, its properties, composition and how it reacts is known asbiologyphysicschemistryanthropology
- 2. Multiple ChoiceA rock, with a mass of 5 grams, was dropped into a graduated cylinder that had 15 mL of water in it. The water level went up to 17mL. What is the density of the rock2.5 g/mL5.0 g/mL10g/mL.3g/mL
- 3. Multiple ChoiceQuantitative observations are recorded usingA non-numerical observationA numerical observationA systemA control
- 4. Multiple ChoiceWeight is the gravitational force exerted on a(n)volumemasslengthtemperature
- 5. Multiple ChoiceThe space that matter takes up is known as...volumemasslengthtemperature
- 6. Multiple ChoiceThe factor that is measured in an experiment is known as theconstant variableindependent variabledependent variablecontrolled variable
- 7. Multiple ChoiceA testable explanation is known as ascientific lawscientific theoryhypothesisjudgement
- 8. Multiple Choice78 liters = ______kL.078.787.878,000
- 9. Multiple Choice201.00300 has how many significant figures.3648
- 10. Multiple ChoiceA series of steps to help us problem solve is known as thenote makinghoping for the bestbelief it will all be okscientific process
- 11. Multiple ChoiceConvert 0.000456 to scientific notation.4.6 x 10-44.6 x 1044.56 x 10-44.56 x 104
- 12. Multiple ChoiceHow many sig figs are in the following number
0.003040?1234 - 13. Multiple ChoiceWhat is a qualitative observation/measurement?Has to do with numbersDoes not have to do with numbers
- 14. Multiple ChoiceWhich is quantitative?The desk is blackit is 72 degrees fahrenheit outsideThe sky is blueSolution 1 is darker than solution 2
- 15. Multiple ChoiceHow many sig figs would be reported after calculating the following. 34.2 + 2.341234
- 16. Multiple ChoiceAfter a calculation a calculator spit out these numbers. 4.00036821. Round to six sig figs.4.00034.000374.000364.0003621
- 17. Multiple ChoiceCalculate the following, make sure to report to correct number of sig figs
6.89 - 3.2/7.80.4730.47310.470.47307 - 18. Multiple ChoiceWhich is a chemical change?boiling waterwater freezingIron when exposed to air and moisture turns into rust (Fe2O3)water condensing
- 19. Multiple Choice
0.001 x 20 =
0.02
0.2
2
0.002
- 20. Multiple Choice
56.8 / 0.001
0.0568
0.568
5680
56800
- 21. Multiple ChoiceWhat is 50o C in Kelvin?223 K323 K273 K-50 K
- 22. Multiple ChoiceHow would you write 4.3756 x 104 in standard form?437,560,0000.0004375643,7564,3756
- 23. Multiple ChoiceHow would you write 0.0005 in scientific notation?50 x 1055 x 1045 x 103.5 x 103
- 24. Multiple ChoiceHow would you write -5.6 x 10-3 in standard form?0.0056-5,6000.00056-0.0056
- 25. Multiple ChoiceWhich of the following is correct scientific notation?20.35 x 104.2035 x 1042035 42.035 x104
- 26. Multiple ChoiceMultiply:
(3.4 x 105)(1.2 x 10-3)4.08 x 10-84.8 x 1024.08 x 1024.08 x 10-15 - 27. Multiple ChoiceConvert 12 km to m120 m1,200 m12,000 m120,000 m
- 28. Multiple Choice
How close a measurement is to the true value is called..
Accuracy
Precision
Significant
Estimate
- 29. Multiple ChoiceWhen a measurement is repeatable and consistent it is said to have...High precisionLow precisionHigh accuracyLow accuracy
- 30. Multiple ChoiceRound 1047.78 to three sig figs10410510501050.00
- Answer choicesTagsAnswer choicesTags