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