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