Lab Safety and Measurement Test

What is the mass given?

• 536.8mL
• 536.8cm
• 536.8g
• 356.8g

What is the mass given?

• 263.5cm3
• 260.3g
• 263.5g/mL
• 263.5g

What is the volume of the substance?

• 37mL
• 37g/cm3
• 37cm3
• 37g/mL

What measurement is the arrow is pointing to?

• 40.9 cm
• 50 cm
• 49.0 cm
• 45.0 cm

What is the volume of the object?

• 19.5cm3
• 162km3
• 162cm3
• 162km

If a fire erupts, what the first thing you do?

• notify the teacher
• run for the fire extinguisher.
• throw water on the fire.
• open the windows

Approved eye protection devices (such as goggles) are worn in the laboratory ________________

• to avoid eye strain.
• to improve your vision.
• only if you do not have corrective glasses.
• any time chemicals, heat, or glassware are used.

If you do not understand a direction or part of a laboratory procedure, what should you do?

• figure it out as you do the lab.
• try several methods until something works
• ask the teacher before proceeding.
• skip it and go on to the next part.

After completing an experiment, all chemical wastes should be _______________

• left at your lab station for the next class
• disposed of according to your teacher’s directions
• dumped in the sink.
• taken home.

You have been injured in the laboratory (cut, burned, etc.). First you should _______________________

• visit the school nurse after class
• see a doctor after school.
• tell the teacher at once.
• apply first aid yourself.