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