A) So you can follow the lab instructions clearly. B) So you will score higher on the lab test. C) So you can quickly obtain your laboratory supplies before lab. D) So you can make sure everything has been cleaned before beginning the lab procedure.
A) Place your nose near the opening of the beaker and inhale. B) Fan your hand over the substance toward your nose which should be several centimeters away from the substance. C) Place your nose directly over the substance and take a big whiff. D) Fan your hand over the substance toward your nose which should be directly over the beaker.
A) Immediately ask to go to the restroom. B) Stand back and advise the teacher of the spill. C) Splash large amounts of water onto the spill. D) Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!". E) Run madly about the room.
A) It helps prevent accidents. B) I won't lose my supplies in the clutter. C) It keeps the room from looking messy.
A) Change Lab Partners B) Ask the teacher. C) Just sit quietly and do nothing D) Guess
A) Only with permission from the teacher B) Never C) When I am sure it is safe to do so D) Whenever I want to
A) Because it can block the veiw of others B) Because it can get in your eyes C) Because it might get in the way D) Because it is a fire hazard
A) the water might miss the glassware B) So it is not too hot C) Te water might crack the glass
A) Green B) White C) Blue D) Yellow
A) Each and every student. B) Miss V C) Support Staff D) Teachers E) Old students
A) Getting the experiment completed B) Getting good data C) Getting the right answer D) Safety E) Finishing first
A) Ensure that it is pointed away from everyone including yourself B) Using a blue flame from the bunsen burner C) Heating it gently D) Putting it in the top of the bunsen flame E) Using a yellow flame from the bunsen burner
A) 1. Turn the collar so that the air hole is closed. 2. Light a match and hold it over the bunsen burner. 3. Turn on the gas B) 1. Turn on the gas. 2. Turn the collar to open the air hole. 3. Light the match and hold it over the bunsen burner. C) 1. Turn the colar so that the air hoel is open. 2. Light the match and hold it over the bunsen burner. 3. Turn on the gas D) 1. Turn the collar to close the air hole. 2. Turn on the gas. 3. Light a match and hold it over the bunsen burner
A) Because they look good. B) To protect you from chemicals, heat and glassware. C) To make you look like a real scientist. D) To improve your vision. E) Because they a magnified allowing you to see things more clearly
A) Poured down the sink with plently of water B) Taken home. C) Disposed of according to your teacher's instructons. D) Left in your trays for the next class. E) Put back in the bottles they came in.
A) Use paper towels. B) Pick up the end that looks cooler. C) Use tongs or heat proof gloves D) Pour cold water on it.
A) Okay. B) All in good fun. C) Not dangerous. D) Always against the rules of the laboratory. |