Lab Safety, Lab Equipment, &
Measurement Quiz Review
Quiz: Tuesday, September 25 th
Test tube
• Cylindrical-shaped glass tube used primarily in laboratories
Test tube brush
• Used to clean test tubes
How many millimeters?
39 mm
A smaller object ’ s mass such as a paper clip would be measured in
• Smaller objects such as a paper clip would be measure in milligrams.
False
• If you are unsure about the identity of a chemical, it is okay to taste and smell it.
Pipet
• Device used for measuring and transferring small volumes of liquid
One centimeter is divided into how many millimeters?
• 10 millimeters
(mm)
How many millimeters?
60 mm
Graduated cylinder
• Used for measuring volume
True
• All broken glass should be cleaned up with a dustpan and broom.
The basic unit of length in the SI system is the …
• The basic unit of length in the SI system is the meter
Funnel
• Hollow cone-shaped tool used for transferring liquids
False
• You only need to use safety goggles when working with acids.
The basic unit of mass in the
SI system is the…
• The basic unit of mass in the SI system is the gram.
Erlenmeyer flask
• A cone shaped container used for holding liquids
How many centimeters?
8.5 cm
The shorter lines on the metric ruler are called…
• millimeters
How many millimeters?
103 mm
Beaker
• A wide mouth container used to hold liquids
How many millimeters?
19 mm
False
• Only major accidents should be reported to the teacher.
Test tube rack
• Used to hold multiple test tubes
The longer lines on the metric ruler are called…
• centimeters
True
• The proper way to smell a chemical is to carefully waft the vapors towards your nose.
Goggles
• Used to protect eyes during experiments
True
• All test tubes need to be thoroughly cleaned with soap and water before re-using them.
How many centimeters?
5.2 or 5.3 cm
Test tube clamp
• Used to pick up hot test tubes
The two units that measure the length of smaller objects are, …
• millimeter
• centimeter
How many centimeters?
9.7 cm
Name the lab equipment