A) So you will score higher on the lab test. B) So you can follow the lab instructions clearly. 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) 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) Place your nose near the opening of the beaker and inhale. D) Fan your hand over the substance toward your nose which should be several centimeters away from the substance.
A) Splash large amounts of water onto the spill. B) Immediately ask to go to the restroom. C) Stand back and advise the teacher of 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) Guess B) Ask the teacher. C) Change Lab Partners D) Just sit quietly and do nothing
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 might get in the way B) Because it can get in your eyes C) Because it is a fire hazard D) Because it can block the veiw of others
A) the water might miss the glassware B) So it is not too hot C) Te water might crack the glass
A) Green B) Blue C) White D) Yellow
A) Support Staff B) Miss V C) Teachers D) Each and every student. E) Old students
A) Safety B) Getting good data C) Getting the experiment completed D) Getting the right answer E) Finishing first
A) Using a blue flame from the bunsen burner B) Putting it in the top of the bunsen flame C) Heating it gently D) Using a yellow flame from the bunsen burner E) Ensure that it is pointed away from everyone including yourself
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 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 the collar to close the air hole. 2. Turn on the gas. 3. Light a match and hold it over the bunsen burner D) 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.
A) To improve your vision. B) Because they look good. C) To make you look like a real scientist. D) Because they a magnified allowing you to see things more clearly E) To protect you from chemicals, heat and glassware.
A) Put back in the bottles they came in. B) Disposed of according to your teacher's instructons. C) Poured down the sink with plently of water D) Left in your trays for the next class. E) Taken home.
A) Pour cold water on it. B) Use paper towels. C) Use tongs or heat proof gloves D) Pick up the end that looks cooler.
A) Not dangerous. B) Okay. C) All in good fun. D) Always against the rules of the laboratory. |