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