Checkpoint 1A

It is important to follow all safety procedures in the laboratory in order to...

• Prevent accident

• Avoid injury to others

• Prevent damage to lab equipment

• All of the above

When working in the laboratory, you should:

• Wear open toe shoes

• Tie up long hair and remove jewelry

• Wear loose clothing

• Wear your hair down

An accident has occurred in the laboratory. The first thing you should do is clean up the mess.

• True

• Flase

Food may be brought into the laboratory if:

• You do not eat it until your lab work is finished

• It does not produce crumbs or waste

• It is kept in your book bag 

• None of the above

When working in the science laboratory, it is important to:

• Wash your hands with soap and water

• All of the above

• Perform experiments unsupervised

• Assume materials are harmless 

At the end of an experiment, you should return all tools to their proper place and clean your workspace thoroughly.

• True

• False

You find a bottle of liquid on the laboratory shelf that is missing a label. You should:

• Try to find another bottle that looks like it

• Try to identify the liquid by tasting one drop

• Give the bottle to your teacher 

• Pour the contents down the drain   

Which is not a safe procedure to follow when using glassware?

• Clean thoroughly before putting it away

• Touch with your hands to see if it is hot

• Never use chipped or cracked glassware

• Use heat-resistant gloves if glass is hot

Based on the sign above, safety glasses must be worn when using:

• Heat

• Chemicals

• Glassware

• All of the above

When entering the science lab it is okay to start the experiment before your teacher gives instructions.

• True

• False