A) So you can follow the lab instructions clearly. B) So you can quickly obtain your laboratory supplies before lab. 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 near the opening of the beaker and inhale. B) Place your nose directly over the substance and take a big whiff. 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) Splash large amounts of water onto the spill. B) Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!". C) Stand back and advise the teacher of the spill. D) Run madly about the room. E) Immediately ask to go to the restroom.
A) It helps prevent accidents. B) It keeps the room from looking messy. C) I won't lose my supplies in the clutter.
A) Ask the teacher. B) Change Lab Partners 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) Never D) Only with permission from the teacher
A) Because it can block the veiw of others B) Because it can get in your eyes C) Because it is a fire hazard D) Because it might get in the way
A) Te water might crack the glass B) the water might miss the glassware C) So it is not too hot
A) White B) Green C) Blue D) Yellow
A) Each and every student. B) Miss V C) Teachers D) Old students E) Support Staff
A) Getting the right answer B) Finishing first C) Getting the experiment completed D) Safety E) Getting good data
A) Using a yellow flame from the bunsen burner B) Using a blue flame from the bunsen burner C) Ensure that it is pointed away from everyone including yourself D) Heating it gently E) Putting it in the top of the bunsen flame
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 to close the air hole. 2. Turn on the gas. 3. Light a match and hold it over the bunsen burner 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 on the gas. 2. Turn the collar to open the air hole. 3. Light the match and hold it over the bunsen burner.
A) To make you look like a real scientist. B) To improve your vision. C) Because they a magnified allowing you to see things more clearly D) To protect you from chemicals, heat and glassware. E) Because they look good.
A) Taken home. B) Disposed of according to your teacher's instructons. C) Put back in the bottles they came in. D) Left in your trays for the next class. E) Poured down the sink with plently of water
A) Pick up the end that looks cooler. B) Pour cold water on it. C) Use tongs or heat proof gloves D) Use paper towels.
A) Always against the rules of the laboratory. B) Not dangerous. C) All in good fun. D) Okay. |