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