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