Glass
Should you pick up a broken glass off the floor?
NO! Tell the teacher and sweep up with a broom.
If you have glasses, do you have to wear goggles?
Yes you always need goggles!
What is most important when working with an open flame?
Do not reach over a flame
If you do not understand a procedure, _________
Ask the teacher before proceeding.
Nope
The beaker has a crack on the top and can still hold water in it. Should you use it?
No!
What are three hazardous types of clothing?
Jewelry, loose clothes, long hair, baggy clothes
Can you test random objects over an open flame/burner?
No!! Only put what you are told over the flame/burner.
If your lab desk is already set up with the materials for the lab when you walk into class, should you immediately begin?
No! Leave the materials, do not touch them. Wait for me to explain the lab first.
Why do we wear goggles when working with glass?
The glass may shatter by falling or hot/cold temperature changes.
What should you do if the glass beaker rolls off the lab desk?
Do not grab it! Back away from shattering.
Lab coat or lab apron
What do you do if you need the bathroom but already turned on the burner/lit a flame?
Make sure another lab partner is watching the heat. Never leave heat on.
Perform only authorized procedures. Doing anything outside of the instructions is called _______
Unauthorized
Where is the glass box for broken pieces of glass?
Back of the room! Opposite side of the sink
If we heat up a substance in a beaker, what happens if you go to wash the beaker in cold water?
What kind of shoes are not allowed?
Open toe, flip flips, slides, crocs
Where should a beaker be pointed when heating it up?
What is prohibited in the lab room?
Horseplay, running around, paper planes
Where is the fire extinguisher?
In the hallway across from the door
After heating up a beaker, how will we know that the beaker has cooled off?
Hot and cold beakers look the same. Test with the back of your hand NEAR the glass to see if warm.
When do we wear goggles?
When we work with heat, chemicals, or glassware
Where should you put a hot beaker after the experiment?
Leave it! Do not pick it up. It will burn any surface. Leave it until it cools off.
How should the room look when we start a lab? Name 3
Aisles clear, chairs pushed in, dispose of all waste, keep floors clean.
Name a lab rule we haven't said yet!
Awesome