Intro to Science

If a laboratory fire erupts, immediately _________.

• Run for the fire extinguisher.

• Notify your instructor.

• Throw water on the fire.

• Open the windows.

You are heating a substance in a test tube. Always point the open end of the test tube ________.

• Toward yourself.

• Toward your lab partner.

• Toward another classmate.

• Away from all people.

You are heating a piece of glass/metal and now want to pick it up. You should ________.

• Use a rag or paper towel.

• Pick up the end that looks cooler.

• Use tongs.

• Pour cold water on it.

The following footwear is required in the lab ________.

• Sandals.

• Open-toe shoes.

• Closed-toe shoes.

• Shoes appropriate for the weather.

True or False:

IF acid splashes on your skin you should rinse ONLY with lots of water, no soap.

• True

• False

True or False:

Return all unused chemicals to their original containers.

• True

• False

True or False:

Chipped or cracked glassware is ok to use.

• True

• False

You are required to wear goggles when ________.

• chemicals are used.

• heated glass is used.

• working with fire.

• chemicals, heated glass, or fire are being used.

Which of the following should NOT be worn during a laboratory activity?

• loose clothing

• dangling jewelry

• sandals

• all of the possible answers

Pranks and practical jokes in the classroom are:

• okay

• not dangerous

• always against the rules

• ojay if you are working by yourselk