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