Safety in Science Answers

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1
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You are writing a safety contract for your class. List 10 things you would include in the contract.

Answer:

1. Wear goggles when handling chemicals 2. Report injuries to the teacher. 3. Know where the SDSs are for all substances and dispose how the teacher tells us to 4. Know where safety equipment things 5. Do not go ahead of the teachers instructions 6. Do not annoy classmates 7. Work together, don't fight. 8. Be careful when handling dangerous materials 9. Wait for the teacher to complete the example before doing it yourself. 10. have fun..

2
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Check off the items that you included in your answer.

A
Know the location of all safety equipment and how to use it.
B
Wear goggles, gloves, and a lab coat when handling chemicals.
C
Inspect all equipment for damage before using it.
D
Report any injuries or accidents to the teacher immediately.
E
Know the location of the SDSs for all substances and dispose of substances as directed by the teacher.
3

List four ways you can avoid injury while using HCl and three steps you would take in case of an accidental exposure to HCl.

Answer:

Avoid injury by wearing safety goggles or a face shield, gloves, and an apron or lab coat; using extra care when transferring HCl; working in a well-ventilated area; and never mixing HCl with other chemicals unless instructed. In case of exposure, rinse the affected skin with large amounts of water, rinse the eyes thoroughly at the eyewash station, and seek medical attention.

4

Check off the items that you included in your answer.

A
Wear safety goggles/face shield, gloves, and an apron or lab coat at all times.
B
Use extra care when transferring HCl between containers.
C
Wash off spills from skin with large amounts of water.
D
Use the eye wash station to rinse eyes thoroughly.
E
Seek medical attention.
5

John is completing a lab in which he is using the corrosive base sodium hydroxide (NaOH). For this laboratory experiment, what types of safety precautions should he take? Check all that apply.

A
wear safety goggles
B
have his water bottle on the lab desk in case he gets thirsty
C
wear a lab coat
D
read any safety information, such as the SDS before he begins the experiment
6

Amelia is doing an experiment in which she is going to burn various solid chemicals to see the colors of flames they produce. For this laboratory experiment, what types of safety precautions should she take?

A
tie hair back
B
leave open flame unattended to get a drink
C
only burn the amount of chemicals as directed by the lab procedure
D
put out the flame with water from the eyewash station

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