Unit 0 test 6th Period

The measure of how close your experimental measurements agree with the known true value

is its:

• precision

• accuracy

• reproducibility

• usefulness

The measure of how close your experimental measurements agree consistently with each other

is its:

• precision

• accuracy

• measurement

• usefulness

Three different students measure the mass for a block of wood. Each of them obtains a reading

of exactly 7.32 g for the mass. The known true mass for the block is 2.00 g. These results imply

that the balance that was used is:

• accurate but not precise

• precise but not accurate

• both accurate and precise

• neither accurate nor precise

Answer the question from the image shown

• Experiment I

• Experiment II

• Experiment III

• Experiment IV

Tags

NGSS.MS-PS1-2

List any 2 QUALITATIVE observations from the list shown

List any 2 QUANTITATIVE observations from the list shown

The known true mass for the sample shown in the data table is 1.43 g. Which student had the best accuracy?

• A

• B

• C

• D

Which student had the best precision?

• A

• B

• C

• D

Draw 3 dots on the target shown to represent both accurate and precise hits

How many significant figures are the the number 1328 ?