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