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