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