Lab Safety
Base Units
Conversions
Prefixes
Measurement
100
True or False: You should tie your hair back during labs.
True
100
What is the base unit for length?
Meter
100
50 cm = _______ m
.5 meters
100
This is the prefix for 1000
Kilo
100
This is the tool that is used to measure temperature.
Thermometer
200
True or False: Goggles are worn in the lab to avoid eye strain.
False
200
What is the base unit for mass?
Gram
200
16 cm = _______ mm
160 mm
200
This is the prefix for 1/1000 or 0.001
Milli
200
This is the tool that is used to measure the volume of a liquid
Graduated Cylinder
300
Someone in the lab did not remove their baggy clothing and their sleeve caught on fire. Their classmate immediately sprays them with the fire extinguisher. What went wrong here?
They should have used the fire blanket instead of the fire extinguisher.
300
What is the base unit for volume?
Liter
300
3 dm = ____ m
0.3 meters
300
This is the prefix for 1/10 or 0.1
Deci
300
This is the tool that is used to measure length
Ruler or meter stick
400
You are heating a substance in a test tube. Which direction should you always point the end of the test tube?
Away from yourself and others
400
What is the base unit for temperature?
Kelvin or degrees Celsius
400
200 mm = _______ dam
0.02 dam
400
This is the prefix for 100
Hecto
400
What is the volume of this liquid?
24 mL
500
You are told explicitly that you can observe the smell of a chemical reaction in lab. You hold the beaker directly under your nose and take a deep breath in. How should this be corrected?
Hold the beaker away from you and waft the smell towards you
500
What is the base unit for Force?
Newton
500
0.013 km = ________ cm
1300 cm
500
This is the prefix for 1/1000000 or 0.000001
Micro
500
What is the length of the red line?
2.3 cm