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