A) to avoid eye strain B) only if you don't have glasses C) to improve vision D) any time chemicals, heat, or sediments are used to protect your eyes
A) figure it out as you do the lab B) ask the teacher before you start C) skip it and go to the next part D) try several methods until something works
A) left at your table for the next class B) taken home C) disposed of according to your teacher's directions D) dumped into the sink
A) visit the school nurse after class B) see a doctor after school C) tell the teacher at once D) apply first aid yourself
A) clean any glassware that looks dirty B) examine all glassware to check for chips or cracks C) read all directions carefully to know what equipment is needed D) All of these
A) closed-toed shoes B) sandals C) open-toed shoes D) slippers
A) not dangerous B) always against the rules C) Ok D) okay if you are working alone
A) your lab partners B) your best friend in class C) your teacher D) the custodian
A) when you are wearing your best clothes B) the protection of you and your clothing C) others to put away D) wiping your hands
A) use a fan B) waft the odor toward you C) pour it on the table D) nhale deeply
A) Ask the teacher about any questions you have B) read all the directions C) Clear off your table of books, food, and drinks D) all of these
A) fire blanket B) all of these C) fire extinguisher D) classroom door B) fire extinguisher
A) ipe your hands on your clothes B) wipe your hands with a paper towel C) wash your hands with soap and water D) treat your hands with skin lotion
A) wipe your hands on a classmate B) wipe your hands on your pants C) try to figure out what the sticky substance is D) Wash your hands and tell the teacher
A) gloves B) sun glasses C) Lab coat D) Safety glasses
A) worn a hat today B) skipped the lab C) put her hair up in a rubber band D) gotten a hair cut before class today
A) Your coat B) The fire blanket C) Water from the sink D) the fire extinguisher
A) Next week B) while you are working C) After school D) before you start
A) follow the instructions of your teacher B) burn them in a burner C) wash them down the sink D) throw them in the trash
A) ask the nurse. B) your hand must be wet C) ask the custodian D) your hands should be dry
A) toward you and others B) away from you and toward others C) toward you and away from others D) away from you and others
A) pour water into acid B) pour acid into water C) let the teacher pour them D) pour them at the same time
A) False B) true
A) true B) false
A) true B) false |