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