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.
What is the volume of the liquid in this beaker?
300 mL
How many significant figures are in the following number?
8 sig figs
Double Jeopardy! Name the six (6) most common metric prefixes.
Kilo-, Hecto-, Deca-, deci-, centi-, and milli-
True or False: Students should use soap and water for five (5) minutes if a chemical spills and contacts exposed skin.
FALSE
Name a piece of laboratory equipment that may be used as a container for food or beverages.
NONE!!!
Double Jeopardy! What is the name of this laboratory glassware?
Volumetric Flask
Double Jeopardy! How many significant figures are in the number below?
7 sig figs
Which of the following units is NOT an SI Unit: the kilogram, the second, the ounce, the meter, or the kelvin?
The ounce
Convert 100 km to scientific notation.
1 x 102 km
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" ...
Define "accuracy".
Accuracy is a measure of a value's closeness or agreement to a true or standard value.
Complete the calculation below:
6.0
How many centiliters are in 10 liters?
1,000 cL
Convert 3.14 x 10-3 pies to standard notation.
0.00314 pies
True or False: Rinse very hot glassware with cold water before transporting across the lab.
False! This may cause glassware to shatter!
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!
Complete the calculation below:
100.0
Which of the following measurement units is the most precise: decimeter, kilometer, or decameter?
The decimeter
What is the name of this laboratory glassware?
Buret
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, ...
Triple Jeopardy! Which target demonstrates high accuracy and low precision?
B
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
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
Double Jeopardy! What is the definition of chemistry?
Chemistry is the study of change.