Lesson 2 & 3 (M1) - Measurement

Question 1

Convert Celsius to Fahrenheit

Answer 1

F = 1.8 (c) + 32

Question 2

Convert Fahrenheit to Celsius

Answer 2

C = F - 32/1.8

Question 3

Calculate Density

Answer 3

Density = mass/volume

Question 4

Calculate Volume

Answer 4

Volume = mass/density

Question 5

The unit of density for solids

Answer 5

g/cm^3

Question 6

The unit of density for liquids

Answer 6

g/ml

Question 7

Scientific notation

Answer 7

A number between 1-10 is to the power of 10

Question 8

Dimensional analysis

Answer 8

Converting one unit to another

(A ratio of equivalent values having different units)

Question 9

Accuracy

Answer 9

How close a measured value is to an accepted value.

Question 10

Precision

Answer 10

How close a series of measurements are to one another.

Question 11

What is an error?

Answer 11

The difference between an experimental value and an accepted value.

Question 12

Calculate error

Answer 12

Error = experimental value - accepted value

Question 13

What is percent error?

Answer 13

Expresses error as a percentage of the accepted value.

Question 14

Calculate percent error

Answer 14

Percent error = error/accepted value X 100

Question 15

Calculate Percent by mass

Answer 15

Mass of element/Mass of compound X 100