Fire? What Fire?
How Do I Measure This?
Figures of Significance
The Unit Exchange
Leftover Mystery
100
On lab day, what should students do if the instructor is not present within the classroom?
Do not touch any lab materials. Wait until the instructor arrives before starting the lab.
100
What is the volume of the liquid in this beaker?
300 mL
100
How many significant figures are in the following number?
8 sig figs
100
Double Jeopardy! Name the six (6) most common metric prefixes.
Kilo-, Hecto-, Deca-, deci-, centi-, and milli-
100
True or False: Students should use soap and water for five (5) minutes if a chemical spills and contacts exposed skin.
FALSE
200
Name a piece of laboratory equipment that may be used as a container for food or beverages.
NONE!!!
200
Double Jeopardy! What is the name of this laboratory glassware?
Volumetric Flask
200
Double Jeopardy! How many significant figures are in the number below?
7 sig figs
200
Which of the following units is NOT an SI Unit: the kilogram, the second, the ounce, the meter, or the kelvin?
The ounce
200
Convert 100 km to scientific notation.
1 x 102 km
300
Double Jeopardy! Name five (5) pieces of lab safety equipment!
Safety shower, eye wash station, fire extinguisher, first aid kit, fire blanket, sand bucket/kitty litter, "The Red Button" ...
300
Define "accuracy".
Accuracy is a measure of a value's closeness or agreement to a true or standard value.
300
Complete the calculation below:
6.0
300
How many centiliters are in 10 liters?
1,000 cL
300
Convert 3.14 x 10-3 pies to standard notation.
0.00314 pies
400
True or False: Rinse very hot glassware with cold water before transporting across the lab.
False! This may cause glassware to shatter!
400
After measuring the mass of a 10.0-kg book three times, Student A shares the following data: 11.3 kg, 11.3 kg, 11.3 kg. Does Student A's data represent accuracy, precision, both, or neither?
Only precision!
400
Complete the calculation below:
100.0
400
Which of the following measurement units is the most precise: decimeter, kilometer, or decameter?
The decimeter
400
What is the name of this laboratory glassware?
Buret
500
Double Jeopardy! Name five (5) examples of Personal Protective Equipment (PPE).
Lab coat, lab apron, goggles, safety glasses, face shield, gloves, closed-toe shoes, hair tie/rubber band, ...
500
Triple Jeopardy! Which target demonstrates high accuracy and low precision?
B
500
TRIPLE JEOPARDY!!!!!!!!
What is the density of a substance with a mass of 900.0 g and a volume of 300 mL?
3 g/mL
500
TRIPLE Jeopardy!!! Using significant figures, calculate the number of meters in the combined length of three rulers, each 100.0 millimeters long.
300.0 mm is 0.3000 m
500
Double Jeopardy! What is the definition of chemistry?
Chemistry is the study of change.