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