A) So you can quickly obtain your laboratory supplies before lab. B) So you can follow the lab instructions clearly. C) So you can make sure everything has been cleaned before beginning the lab procedure. D) So you will score higher on the lab test.
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 directly over the beaker. C) Fan your hand over the substance toward your nose which should be several centimeters away from the substance. D) Place your nose directly over the substance and take a big whiff.
A) Immediately ask to go to the restroom. B) Stand back and advise the teacher of the spill. C) Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!". D) Run madly about the room. E) Splash large amounts of water onto the spill.
A) It keeps the room from looking messy. B) It helps prevent accidents. C) I won't lose my supplies in the clutter.
A) Just sit quietly and do nothing B) Guess C) Change Lab Partners D) Ask the teacher.
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) Te water might crack the glass B) the water might miss the glassware C) So it is not too hot
A) Yellow B) Blue C) White D) Green
A) Support Staff B) Teachers C) Miss V D) Each and every student. E) Old students
A) Getting good data B) Getting the experiment completed C) Safety D) Getting the right answer E) Finishing first
A) Using a yellow flame from the bunsen burner B) Using a blue flame from the bunsen burner C) Ensure that it is pointed away from everyone including yourself D) Heating it gently E) Putting it in the top of the bunsen flame
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 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 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 make you look like a real scientist. B) Because they look good. C) To improve your vision. D) Because they a magnified allowing you to see things more clearly E) To protect you from chemicals, heat and glassware.
A) Taken home. 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) Put back in the bottles they came in.
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) Always against the rules of the laboratory. B) All in good fun. C) Not dangerous. D) Okay. |