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