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) figure it out as you do the lab B) skip it and go to the next part C) try several methods until something works D) ask the teacher before you start
A) left at your table for the next class B) taken home C) disposed of according to your teacher's directions D) dumped into the sink
A) see a doctor after school B) tell the teacher at once C) visit the school nurse after class 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) sandals B) closed-toed shoes C) slippers D) open-toed shoes
A) Ok B) always against the rules C) okay if you are working alone D) not dangerous
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) use a fan B) waft the odor toward you C) pour it on the table D) nhale deeply
A) Ask the teacher about any questions you have B) Clear off your table of books, food, and drinks C) read all the directions D) all of these
A) classroom door B) fire extinguisher B) fire blanket C) all of these D) 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) Wash your hands and tell the teacher C) wipe your hands on a classmate D) wipe your hands on your pants
A) gloves B) sun glasses C) Lab coat D) Safety glasses
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) Water from the sink B) The fire blanket C) the fire extinguisher D) Your coat
A) Next week B) before you start C) while you are working D) After school
A) follow the instructions of your teacher B) wash them down the sink C) burn them in a burner D) throw them in the trash
A) your hands should be dry B) ask the nurse. C) ask the custodian D) your hand must be wet
A) toward you and others B) toward you and away from others C) away from you and others D) away from you and toward 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) False B) true
A) true B) false
A) true B) false |