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