Sig Figs and Scientific Notation
How many sig figs in
7000.00
6
What is the formula for density?
D = M/V
What is the formula for percent error?
Correct formula
What mnemonic do we use to remember the metric prefixes? (and explain how we use it)
King Henry Died by drinking chocolate milk
What do you use if someTHING catches on fire?
Fire extinguisher
How many sig figs in
0.004560
4
If a block of metal has a mass of 50 grams and a volume of 10 mL, what is its density?
5 g/mL
If I measure a student to be 150 cm tall, and their actual height is 160 cm, what is my percent error?
6.25%
How many centimeters are in a meter?
100 cm in 1 m
Which piece of equipment is best to measure the volume of liquids?
Graduated cylinder
Write this number in scientific notation
576,000,000
5.76 x 108
What is the SI unit for mass?
Grams
Correctly measure using a meter stick (provided by Mr. Fitz)
Correct measurement
Convert 150 grams to Kilograms
0.150 Kg
What do you use if someONE catches on fire?
Fire blanket
Perform the operation with the correct number of sig figs
18.01 + 14.1 + 3
35
What is the SI unit for volume?
Liters
Correctly measure using a graduated cylinder (provided by Mr. Fitz)
Correct measurement
How many hours are there in 2 months? Assume 1 month has 30 days
1,440 hours
What is a Bunsen Burner used for?
It is used to heat a solid or liquid that will not release gas when it is heated.
Perform the operation with the correct number of sig figs
100.0 / 10
10
Draw the density triangle on the board and explain how it works
Correct diagram
Draw a diagram for each of the following scenarios
Precise but NOT accurate
Accurate but NOT precise
Accurate AND precise
NEITHER precise NOR accurate
Correct diagrams
How many feet are there in 2 kilometers?
1 kilometer = .621 miles
1 mile = 5280 feet
6,560 ft
When do we use the safety shower?
When you get chemicals on your clothing or skin