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