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