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