A) So you can make sure everything has been cleaned before beginning the lab procedure. B) So you can follow the lab instructions clearly. C) So you can quickly obtain your laboratory supplies before lab. D) So you will score higher on the lab test.
A) Place your nose directly over the substance and take a big whiff. 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) Fan your hand over the substance toward your nose which should be directly over the beaker.
A) Run madly about the room. B) Stand back and advise the teacher of the spill. C) Immediately ask to go to the restroom. D) Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!". 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) Ask the teacher. B) Guess C) Just sit quietly and do nothing D) Change Lab Partners
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 get in your eyes B) Because it can block the veiw of others C) Because it might get in the way D) Because it is a fire hazard
A) the water might miss the glassware B) Te water might crack the glass C) So it is not too hot
A) Blue B) Yellow C) White D) Green
A) Miss V B) Each and every student. C) Support Staff D) Teachers E) Old students
A) Finishing first B) Getting the experiment completed C) Getting the right answer D) Safety E) Getting good data
A) Using a blue flame from the bunsen burner B) Using a yellow flame from the bunsen burner C) Putting it in the top of the bunsen flame D) Heating it gently E) Ensure that it is pointed away from everyone including yourself
A) 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 B) 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 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 to close the air hole. 2. Turn on the gas. 3. Light a match and hold it over the bunsen burner
A) Because they look good. B) To improve your vision. 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) Poured down the sink with plently of water B) Taken home. C) Disposed of according to your teacher's instructons. D) Put back in the bottles they came in. E) Left in your trays for the next class.
A) Pick up the end that looks cooler. B) Use tongs or heat proof gloves C) Use paper towels. D) Pour cold water on it.
A) All in good fun. B) Okay. C) Always against the rules of the laboratory. D) Not dangerous. |