ENVIRONMENTAL SYSTEMS FINAL
EXAM STUDY GUIDE COMPLETE
DETAILED CASE STUDY
o When working with chemicals, what protective safety equipment must you wear at all times? - goggles
While doing an experiment involving flames, a student's sleeve catches fire. What safety equipment
should be used to extinguish the flames? - fire extinguisher and fire blanket
The Environmental Systems lab is equipped with gas to provide fuel for the Bunsen burners. While
working in the lab, you see a student at the next table take a lighter out and begin to turn the gas on.
You look over to see if the teacher has noticed this flagrant violation of the rules and discover that the
teacher is currently across the room helping another group. What should you do next? - notify the
teacher immediately
What is the proper way to smell a substance in a chemistry lab? - Hold the chemical away from you and
using your hand waft the scent towards you.
Reactions that produce toxic gases and vapors that can explode should be performed in a(n) - - Fume
Hood
You need to go on a hike to find and collect water samples in very hot weather. You want to ensure that
you do not overheat. What should you NOT do? - Drink a cold soda and wear dark clothing
While surveying a mountain, you trip and fall. You catch yourself but you think you may have sprained
your wrist. What should you do to treat it? - Rest Ice Compress and Elevate your wrist
While waiting for help to arrive, what should you do in a heat-related emergency to help the patient? -
Bring the patient indoors or into the shade and have the patient lie down. Provide frequent sips of cool,
clear fluids.
, Jackson is working with chemical while in the lab and he did not follow the proper safety guidelines and
failed to wear his goggles. Jackson got some in his eye. He rushes to the __________________ and
rinses his eyes for _________ minutes. - eye wash station, 15
True or False? While working in the lab, it is okay to eat while doing an experiment as long as you wash
your hands. - False
True or False? If you get stung by a bee, you should first attempt to withdraw the stinger by sucking it out
with your mouth. - False
Which of the following will allow measurement of a liquid's volume with the greatest accuracy? - 100 mL
cylinder graduated with markings every 0.5 mL
he chart shows the density of seawater samples collected from the Gulf of Mexico by four different
groups. Which group's data are most precise?
Density (g/mL)
Group 1
Group 2
Group 3
Group 4
Trial 1
0.997
1.023
1.120
1.025
Trial 2
1.001
1.024
1.001
1.111
Trial 3
EXAM STUDY GUIDE COMPLETE
DETAILED CASE STUDY
o When working with chemicals, what protective safety equipment must you wear at all times? - goggles
While doing an experiment involving flames, a student's sleeve catches fire. What safety equipment
should be used to extinguish the flames? - fire extinguisher and fire blanket
The Environmental Systems lab is equipped with gas to provide fuel for the Bunsen burners. While
working in the lab, you see a student at the next table take a lighter out and begin to turn the gas on.
You look over to see if the teacher has noticed this flagrant violation of the rules and discover that the
teacher is currently across the room helping another group. What should you do next? - notify the
teacher immediately
What is the proper way to smell a substance in a chemistry lab? - Hold the chemical away from you and
using your hand waft the scent towards you.
Reactions that produce toxic gases and vapors that can explode should be performed in a(n) - - Fume
Hood
You need to go on a hike to find and collect water samples in very hot weather. You want to ensure that
you do not overheat. What should you NOT do? - Drink a cold soda and wear dark clothing
While surveying a mountain, you trip and fall. You catch yourself but you think you may have sprained
your wrist. What should you do to treat it? - Rest Ice Compress and Elevate your wrist
While waiting for help to arrive, what should you do in a heat-related emergency to help the patient? -
Bring the patient indoors or into the shade and have the patient lie down. Provide frequent sips of cool,
clear fluids.
, Jackson is working with chemical while in the lab and he did not follow the proper safety guidelines and
failed to wear his goggles. Jackson got some in his eye. He rushes to the __________________ and
rinses his eyes for _________ minutes. - eye wash station, 15
True or False? While working in the lab, it is okay to eat while doing an experiment as long as you wash
your hands. - False
True or False? If you get stung by a bee, you should first attempt to withdraw the stinger by sucking it out
with your mouth. - False
Which of the following will allow measurement of a liquid's volume with the greatest accuracy? - 100 mL
cylinder graduated with markings every 0.5 mL
he chart shows the density of seawater samples collected from the Gulf of Mexico by four different
groups. Which group's data are most precise?
Density (g/mL)
Group 1
Group 2
Group 3
Group 4
Trial 1
0.997
1.023
1.120
1.025
Trial 2
1.001
1.024
1.001
1.111
Trial 3