Chapter 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How would you write 520,000,000 in scientific notation? | 5.2 X 10^8
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| What is accuracy? | How close a measurement comes to the actual value of whatever is measured.
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| What is the difference between the accepted value and the experimental value? | accepted value is the correct value based on reliable sources and the experimental value is the value measured in lab.
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| What is the equation to find error? | Error= experimental value - accepted value
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| What is the equation for the percent error? | (|error|/accepted value) x 100%
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| Round .490870 to the second significant figure. | .49
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| How many significant figures are in the following? A. 123 B. 9.8000 X 10^4 C. 40.007 | A. 3 B. 5 C. 5
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| What is the SI unit for length? | meter
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| What is the SI unit for mass? | kilogram
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| What is the SI unit for temperature? | Kelvin
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| what is 20 degrees C in Kelvin? | 20 + 273 = 293
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| 743 mm equals how many meters? | .743
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| 35 meters equals how many centimeters? | 3500
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| 1.5 Kilometers equals how many meters? | 1500
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| 1 kilometer equals how many pounds? | 2.2
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| 2 hours equals how many seconds? | 7200
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| 2.5 years equals how many minutes? | 1314000
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| 1.45 kilometers equals how many millimeters? | 1,450,000
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| Every student needs 245 g of NaCl to an experiment. There are 10 kilograms of NaCl, how many students can do the experiment? | 40
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| What is the formula for density? | mass/volume
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| If an object has a mass of 152 g and it's volume is 12.3 cm^3, what is it's density? | 12.4 g/cm^3
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| if an object has the density of 23.3 g/cm^3 and a mass of 2.1 kilograms, what is the volume? | 90.1 cm^3
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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