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