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