Hazard Symbols and Laboratory rules

If you spill or break something during an experiment, what is the FIRST thing you should do?

• Tell the teacher.
• Clean it up. 
• Cover it with a paper towel.
• Leave it for someone else.

What safety symbol is this?

• Explosion

• Flammable

• No Open Flame

• Oxidizing Agent

Which of the following is the correct laboratory safety precaution?

• Never enter the lab without a teacher.

• Always enter the lab before the teacher so that he/she finds you ready.

• Never enter the lab alone, at least there must be another student.

It is okay to drink water from a beaker if it looks clean.

• True

• False

What is used to protect your eyes from chemicals, broken glass, and fire?

• Fire blanket
• Eye wash
• Goggles
• Flask

Which of the following should NOT be worn during a lab investigation?

• Flip flops

• Dangling jewelry

• Loose, long hair

• All of the above

Which of the following is the correct laboratory safety precaution? (Only one is correct)

• Wear a lab coat during experiments to avoid spilling chemicals directly over your body.

• Wear a lab coat and safety googles during experiments to avoid spilling chemicals directly over your body.

• Wear safety goggles during experiments to avoid spilling chemicals directly over your body.

What is the meaning of the following hazard symbol? Highly flammable.

• These substances provide oxygen, which allows other materials to burn more fiercely

• These substances catch fire easily

• These substances have enough stored energy in them that if treated incorrectly they may explode