Safety Contract Review 21-35

#21 Bunsen burners are dangerous and should be treated with great care. Keep things that can catch on fire far away from them. Don't reach over the flame. Don't turn it on and then leave the room.

• True

• False

#22 Glass and metals stay hot a long time. This makes them dangerous to human skin since hot things burn skin.

• True

• False

#23 Hot and cold glass has the same visual appearance. Determine if an object is hot by bringing the back of your ___ close to it before you grab it.

• hand

• foot

• face

#24 If a glass beaker (cup) is hot, you should...

• pick it up and take your chances.

• use gloves or tongs to move it so that your hand isn't burnt to a crisp.

#25 If you have a hot glass beaker (cup) and you put it in cold water, that can cause the beaker to break.

• true

• false

#26 Select more than one answer: You should wear goggles when you are using....

• heat

• chemicals

• flames

• a Chromebook

#27 Lab aprons should be worn during lab activities requiring the use of certain __ to protect both you and your clothing.

• chemicals

• flames

• bunnies

#28 Consider all chemicals dangerous.

• true

• false

#29 It's okay to take chemicals out of the lab and share them with your friends at brunch. Yum!!!

• true

• false

#30 If you pour a chemical in a new container, you should...

• keep them at a distance from you

• pour them close to your face so that you can see them clearly