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