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 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 several centimeters away from the substance. D) Fan your hand over the substance toward your nose which should be directly over the beaker.
A) Immediately ask to go to the restroom. B) Splash large amounts of water onto 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) Stand back and advise the teacher of the spill.
A) It keeps the room from looking messy. B) I won't lose my supplies in the clutter. C) It helps prevent accidents.
A) Change Lab Partners B) Ask the teacher. C) Just sit quietly and do nothing D) Guess
A) Whenever I want to B) When I am sure it is safe to do so C) Only with permission from the teacher D) Never
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) the water might miss the glassware C) So it is not too hot
A) White B) Blue C) Yellow D) Green
A) Miss V B) Each and every student. C) Old students D) Teachers E) Support Staff
A) Getting the experiment completed B) Finishing first C) Safety D) Getting good data E) Getting the right answer
A) Heating it gently B) Ensure that it is pointed away from everyone including yourself C) Using a yellow flame from the bunsen burner D) Using a blue flame from the bunsen burner E) Putting it in the top of the bunsen flame
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 colar so that the air hoel is open. 2. Light the match and hold it over the bunsen burner. 3. Turn on the gas C) 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 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) Because they a magnified allowing you to see things more clearly C) To make you look like a real scientist. D) To protect you from chemicals, heat and glassware. E) To improve your vision.
A) Poured down the sink with plently of water B) Disposed of according to your teacher's instructons. C) Put back in the bottles they came in. D) Taken home. E) Left in your trays for the next class.
A) Pour cold water on it. B) Pick up the end that looks cooler. C) Use tongs or heat proof gloves D) Use paper towels.
A) Not dangerous. B) Okay. C) All in good fun. D) Always against the rules of the laboratory. |