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