Precision, Accuracy, Error
Density
Scientific Notation
SI Units
Conversions
100

The accepted value for the measurement was to be 1.00 g/mL. Which group had a highest level of accuracy?

https://docs.google.com/document/d/1oytOFs2MjgKWTYfdTJOZOq3n_3qvsotRonW-B94vPXc/edit?usp=sharing

Group 3

100

You have a graduated cylinder with an initial volume of 12.45 mL. You place a piece of gold (density=19.32g/cm3) in a the cylinder and the new volume is 13.59 mL. What is the mass of the gold?

22.0 g

100
What is 2.5x103 in standard notation

2500

100

What is the base UNIT for:

A) Length

B) Time

A) meter

B) second

100

Convert 35 km to meters

35000 m

200

The accepted value for the measurement was to be 1.00 g/mL. Which group was most least precise?

https://docs.google.com/document/d/1oytOFs2MjgKWTYfdTJOZOq3n_3qvsotRonW-B94vPXc/edit?usp=sharing

Group 1

200

You are given a substance with a mass of 18.50 g. You know the density of 1.230 g/cm3. What is the volume of this substnace

15.04 cm3

200

What is 3.7x10-3 in standard notation

0.0037

200

What is the base UNIT for:

A) mass

B) Temperature

A) kilogram

B) Kelvin

200

Convert 202752 inches to miles

3.2 miles

300

The accepted value for the measurement was to be 1.00 g/mL. Which group was most precise?

https://docs.google.com/document/d/1oytOFs2MjgKWTYfdTJOZOq3n_3qvsotRonW-B94vPXc/edit?usp=sharing

Group 4

300

Water is less dense than honey. Which of the following must be true?

A) Water has less mass than honey

B) Water has less volume than honey

C) Water has more mass than honey

D) Water has more volume than honey

E) None of these are true

E

More specifically, any of these COULD be true, but none of these MUST be. 

If you have a gallon of water and a drop of honey, then C and D are true. 

If you have a gallon of honey and a drop of water, A and B are true.

If you have equal volumes of each, only A would be true.

300
When writing scientific notation a ______ exponent means the number is smaller than one and a _______ exponent means the answer is bigger than one

negative, postive

300

What is the base UNIT for the amount of substance

Mole

300

Which is the biggest?

kilometer, centimeter, nanometer

kilometer

400

A student performs a density lab and determines the density of a metal to be 2.85 g/cm3. However, the accepted value is 2.70 g/cm3. What is the percent error of the students lab (Round to one decimal)?

5.6 %

400

A piece of metal has a mass of 0.125 kg and a volume of 16.3 cm3. What is the density of this metal in g/cm3

7.67 g/cm3

400

What is 0.00007 in scientific notation

7x10-5

400

Which is smallest?

milliliter, nanoliter, liter

nanoliter

400

Convert 350 nanometers to meters

0.00000035 m
or

3.5x10-7 m

500

Is Mr. Baughman a dog or cat person? (and no, this will not be on the test)

DOG! (2 dogs at home)

500

You are given two bricks, both made of clay. The first brick has a mass of 5 pounds. The second brick has a mass of 10 pounds. Which of the following is true?

A) The first brick is less dense than the second brick

B) The two bricks are equal in density

C) The two bricks are equal in volume


B - They are both made of clay so the amount of mass doesn't matter. However, since the second brick is more massive, that must mean you have more volume of the second than the first.

500

What is 25000 in scientific notation?

2.5x104

500

What is the base UNIT for:

A) amount of substance

B) Light Intensity

C) Electric Current

A) mole

B) candela

C) Ampere

500

Convert 2.5 yards to cenitimeters

228.6 cm

M
e
n
u