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