Metric Mischief
Dimensional Dilemmas
Sig Fig Shenanigans
Measure Up or Shut Up!
Lab Safety: Oops! I Did It Again
100
This metric prefix means one-thousandth (0.001).
What is milli-?
100
Dimensional analysis is used to convert between these.
What are units?
100
How many significant figures are in 45.0?
What is 3?
100
What piece of equipment is used to measure liquid volume accurately?
What is a graduated cylinder?
100
This item must be worn to protect your eyes in the lab.
What are safety goggles?
200
Convert 5 kilograms to grams.
What is 5,000 grams (g)?
200
Convert 90 minutes into hours.
What is 1.5 hours?
200
Which zeros are significant in 0.00340?
What is the last zero?
200
Read this measurement:
What is 15.0 mL?
200
True or False: Eating in the lab is allowed if no chemicals are out.
What is False?
300
The prefix “kilo-” represents this number.
What is 1,000?
300
A car travels 90 km in 1.5 hours. What is its speed in km/h?
What is 60 km/hr?
300
Round 0.004567 to 3 significant figures.
What is 0.00457?
300
Read this measurement:
What is 240.0 grams (g)?
300
Where should broken glassware be disposed of?
What is the designated glass disposal container?
400
How many centimeters are in 2.5 meters?
What is 250 cm?
400
A recipe calls for 2.50 liters of milk, but your measuring cup only has cups marked. Convert 2.5 L into cups.
(Hint: 1 cup = 0.237 L)
What is approximately 10.5 cups?
400
Express 23,500 in scientific notation with 3 significant figures.
What is 2.35 × 10⁴?
400
Read this measurement:
What is approximately 2.78 cm?
400
Why should you never directly smell a chemical?
What is it may release harmful fumes?
500
Rank these units from smallest to largest: millimeter, meter, kilometer, centimeter.
What is millimeter → centimeter → meter → kilometer?
500
A person drinks 2.5 gallons of water per day. Convert this amount to liters per day.
(Hint: 1 gallon = 3.785 L)
What is 9.46 L/day?
500
When multiplying 2.34 by 6.1, what is the answer and how many sig figs should the answer have?
What is 14. & 2 significant figures?
500
If a block is 5.0 cm × 2.0 cm × 1.5 cm, what is its volume?
What is 15 cm³?
500
Identify this safety hazard:
What is corrosive?