Lab Safety and Common Instruments

Which item measures precisely?

• Erlenmeyer flask

• Beaker

• Graduated cylinder

• Test Tube

If you are not sure what to do in a lab activity

• Just sit quietly and do nothing

• Change lab partners

• Ask a teacher

• Guess

What is the volume in this graduated cylinder (mL)?

• 2.65 mL

• 2.5 mL

• 2.65

• 2.7 mL

Which piece of safety equipment is used when a person is on fire?

• wet towels

• fire blanket

• fire extinguisher

• eye wash

• 41 mL

• 40 mL

• 41.5 mL

• 40.5 mL

Examine all glassware before use

• TRUE

• FALSE

What is measured with a graduated cylinder?

• Passage of time

• Volume of liquid

• Weight of an object

• Distance from one thing to another

Running in the lab is okay if you are not using chemicals

• TRUE

• FALSE

Horseplay, practical jokes, or pranks in the classroom are

• okay

• always against the rules

• not dangerous

• okay if you are working alone

During a lab it is okay to

• drink in the lab

• taste chemicals

• have a snack

• none of the above