Module 1

Question 1

matter

Answer 1

Anything that has mass and takes up space

Question 2

accuracy

Answer 2

An indication of how close a measurement is to the true value

Question 3

precision

Answer 3

An indication of the scale on the measuring device that was used

Question 4

A digit within a number is considered to be a significant figure if:

Answer 4

i. It is non-zero OR
ii. It is a zero that is between two significant figures OR
iii. It is a zero at the end of the number and to the right of the decimal point

Question 5

micro (u*)

Answer 5

0.000001

Question 6

milli (m)

Answer 6

0.001

Question 7

centi (c)

Answer 7

0.01

Question 8

deci (d)

Answer 8

0.1

Question 9

deca (D)

Answer 9

10

Question 10

hecta (H)

Answer 10

100

Question 11

kilo (k)

Answer 11

1,000

Question 12

Mega (M)

Answer 12

1,000,000

Question 13

1 cubic centimeter is the same as:

Answer 13

1 milliliter

Question 14

Adding and Subtraction with Significant Figures:

Answer 14

When adding and subtracting measurements, round your answer so that it has the same precision as the least precise measurement in the equation.

Question 15

Multiplying and Dividing with Significant Figures:

Answer 15

When multiplying and dividing measurements, round the answer so that it has the same number of significant figures as the measurement with the fewest significant figures.

Question 16

density

Answer 16

An object’s mass divided by the volume that the object occupies