A) So you can quickly obtain your laboratory supplies before lab. B) So you will score higher on the lab test. 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) Place your nose near the opening of the beaker and inhale. B) Fan your hand over the substance toward your nose which should be directly over the beaker. C) Place your nose directly over the substance and take a big whiff. D) Fan your hand over the substance toward your nose which should be several centimeters away from the substance.
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) Stand back and advise the teacher of the spill. E) Run madly about the room.
A) It helps prevent accidents. B) It keeps the room from looking messy. C) I won't lose my supplies in the clutter.
A) Change Lab Partners B) Ask the teacher. C) Guess D) Just sit quietly and do nothing
A) Never B) Whenever I want to C) When I am sure it is safe to do so 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 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) White B) Yellow C) Blue D) Green
A) Each and every student. B) Miss V C) Old students D) Teachers E) Support Staff
A) Finishing first B) Getting good data C) Getting the experiment completed D) Getting the right answer E) Safety
A) Heating it gently B) Using a yellow flame from the bunsen burner C) Using a blue flame from the bunsen burner D) Putting it in the top of the bunsen flame 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 a magnified allowing you to see things more clearly B) Because they look good. C) To protect you from chemicals, heat and glassware. D) To improve your vision. E) To make you look like a real scientist.
A) Poured down the sink with plently of water B) Left in your trays for the next class. C) Disposed of according to your teacher's instructons. D) Put back in the bottles they came in. E) Taken home.
A) Use paper towels. B) Pick up the end that looks cooler. C) Pour cold water on it. D) Use tongs or heat proof gloves
A) Not dangerous. B) Okay. C) All in good fun. D) Always against the rules of the laboratory. |