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) ask the teacher before you start B) figure it out as you do the lab C) skip it and go to the next part D) try several methods until something works
A) dumped into the sink B) left at your table for the next class C) disposed of according to your teacher's directions D) taken home
A) visit the school nurse after class B) tell the teacher at once C) apply first aid yourself D) see a doctor after school
A) clean any glassware that looks dirty B) examine all glassware to check for chips or cracks C) read all directions carefully to know what equipment is needed D) All of these
A) slippers B) sandals C) closed-toed shoes D) open-toed shoes
A) okay if you are working alone B) Ok 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) wiping your hands B) when you are wearing your best clothes C) the protection of you and your clothing D) others to put away
A) nhale deeply B) waft the odor toward you C) pour it on the table D) use a fan
A) Clear off your table of books, food, and drinks B) all of these C) read all the directions D) Ask the teacher about any questions you have
A) all of these B) fire blanket C) fire extinguisher D) classroom door B) fire extinguisher
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 your pants B) Wash your hands and tell the teacher C) try to figure out what the sticky substance is D) wipe your hands on a classmate
A) Safety glasses B) Lab coat C) sun glasses D) gloves
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) the fire extinguisher D) Water from the sink
A) while you are working B) Next week C) before you start D) After school
A) wash them down the sink B) throw them in the trash C) burn them in a burner D) follow the instructions of your teacher
A) ask the nurse. B) ask the custodian C) your hand must be wet D) your hands should be dry
A) toward you and others B) away from you and toward others C) toward you and away from others D) away from you and others
A) pour them at the same time B) pour acid into water C) let the teacher pour them D) pour water into acid
A) False B) true
A) false B) true
A) true B) false |