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