Laboratory Safety

At the end of the lab, you can pour chemicals down the drain.

• True

• False

Tags

NGSS.MS-ESS3-3

Chipped or broken glassware is always ok to use.

• True

• False

If you have questions during a lab after reading the directions, you should…

• Guess what seems right

• Ask your parents

• Ask your teacher

• Ask your dog

Laboratory work can be started immediately upon entering the lab, EVEN if your instructor is not in the room.

• True

• False

What does this symbol means?

• Poisonous Substances

• Flammable Substances

• Explosive Substances

• Irritating Substances

Answer explanation

Examples: Mercury, cyanide, chlorine

Do not eat, drink or taste these poisonous substances. Use them according to the instructions given.

Read instructions first and understand them before starting your experiment.

• Yes

• No

Handle all apparatus and chemicals carefully and correctly.

• Yes

• No

Always check the label on the container before using the substances it contains.

• Yes

• No

You may taste any chemicals.

• Yes

• No

Eating, playing and drinking are allowed in the laboratory.

• Yes

• No