General Rules
This is what you should do if you don’t understand the directions.
Ask the teacher.
These must always be worn when using chemicals, heat, or glass.
Goggles.
This is who you must tell right away if something spills, breaks, or someone is hurt.
The teacher.
All chemicals in the lab should be treated as this.
Dangerous.
Carry glass tubing in this position.
Upright/vertical.
You should keep these away from flames at all times.
Hair, clothes, and hands.
You may only work in the lab when this person is present.
The teacher.
This is what you do with long hair and loose clothing before a lab.
Tie it back/secure it.
If a chemical splashes on your skin or in your eyes, you should do this immediately.
Rinse with water immediately.
You should never do this with a chemical unless told.
Touch, smell, or taste.
Hands must be completely this before plugging in electrical cords.
Dry.
You should never leave a burner or hot plate in this condition.
Unattended.
This is what you should do with your backpack and personal items during a lab.
Store them away from the lab area.
These types of shoes are not allowed in the lab.
Sandals.
You must rinse for at least this many minutes at the eyewash station or safety shower.
20 minutes.
You should always check this before using a chemical.
The label.
You should never use glassware if it is this.
Cracked or dirty.
The open end of a test tube being heated should point this way.
Away from people.
This is why it’s important to know where the safety tools (fire extinguisher, eyewash, exits) are.
To know how to respond in an emergency.
This type of jewelry/clothing should be secured during labs.
Dangling jewelry/loose clothing.
If glass breaks, you should never pick it up with this.
Your bare hands.
You should only take this much chemical for an experiment.
Only as much as you need.
If you don’t know how to use equipment, you should do this.
Ask the teacher.
Hot glass looks the same as this type of glass.
Cold glass.
You must always do this with your hands after finishing a lab.
Wash them with soap and water.
These lenses may not be worn unless you have teacher permission.
Contact lenses.
Instead, you should use these two things to clean up broken glass.
A brush and a dustpan.
You should always add acid to this—never the other way around.
Water.
Never remove a plug from an outlet by pulling on this part.
The cord.
You should use this tool to pick up hot glass or metal.
Tongs.