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) Place your nose near the opening of the beaker and inhale. C) Fan your hand over the substance toward your nose which should be directly over the beaker. D) Fan your hand over the substance toward your nose which should be several centimeters away from the substance.
A) Run madly about the room. 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) 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) Ask the teacher. D) Change Lab Partners
A) When I am sure it is safe to do so B) Whenever I want to C) Only with permission from the teacher D) Never
A) Because it is a fire hazard B) Because it can get in your eyes C) Because it can block the veiw of others D) Because it might get in the way
A) So it is not too hot B) Te water might crack the glass C) the water might miss the glassware
A) White B) Green C) Blue D) Yellow
A) Support Staff B) Each and every student. C) Old students D) Miss V E) Teachers
A) Getting the experiment completed B) Safety C) Getting the right answer D) Finishing first E) Getting good data
A) Putting it in the top of the bunsen flame B) Using a blue flame from the bunsen burner 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 on the gas. 2. Turn the collar to open the air hole. 3. Light the match and hold it over the bunsen burner. 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 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 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 make you look like a real scientist. C) To improve your vision. D) To protect you from chemicals, heat and glassware. E) Because they look good.
A) Poured down the sink with plently of water B) Put back in the bottles they came in. C) Taken home. D) Disposed of according to your teacher's instructons. E) Left in your trays for the next class.
A) Pour cold water on it. B) Use tongs or heat proof gloves C) Use paper towels. D) Pick up the end that looks cooler.
A) All in good fun. B) Not dangerous. C) Always against the rules of the laboratory. D) Okay. |