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