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