A) to improve vision B) only if you don't have glasses C) to avoid eye strain D) any time chemicals, heat, or sediments are used to protect your eyes
A) try several methods until something works B) skip it and go to the next part C) ask the teacher before you start D) figure it out as you do the lab
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) visit the school nurse after class B) see a doctor after school C) tell the teacher at once D) apply first aid yourself
A) All of these B) clean any glassware that looks dirty C) examine all glassware to check for chips or cracks D) read all directions carefully to know what equipment is needed
A) sandals B) closed-toed shoes C) slippers D) open-toed shoes
A) always against the rules B) not dangerous C) okay if you are working alone D) Ok
A) your lab partners B) your teacher C) your best friend in class 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) use a fan B) nhale deeply 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) classroom door B) fire extinguisher B) all of these C) fire extinguisher D) fire blanket
A) ipe your hands on your clothes B) wash your hands with soap and water 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 a classmate C) wipe your hands on your pants D) Wash your hands and tell the teacher
A) gloves B) Safety glasses C) sun glasses D) Lab coat
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) Your coat B) the fire extinguisher C) The fire blanket D) Water from the sink
A) before you start B) while you are working C) Next week D) After school
A) wash them down the sink B) follow the instructions of your teacher C) throw them in the trash D) burn them in a burner
A) your hand must be wet B) ask the custodian C) your hands should be dry 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) 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 |