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