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 will score higher on the lab test. D) So you can quickly obtain your laboratory supplies before lab.
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) Run madly about the room. 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) Immediately ask to go to the restroom. 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) Guess C) Ask the teacher. D) Just sit quietly and do nothing
A) Never B) Only with permission from the teacher C) Whenever I want to D) When I am sure it is safe to do so
A) Because it can block the veiw of others B) Because it might get in the way C) Because it is a fire hazard D) Because it can get in your eyes
A) the water might miss the glassware B) So it is not too hot C) Te water might crack the glass
A) White B) Blue C) Green D) Yellow
A) Each and every student. B) Old students C) Miss V D) Teachers E) Support Staff
A) Getting good data B) Safety C) Getting the experiment completed D) Getting the right answer E) Finishing first
A) Heating it gently B) Using a yellow flame from the bunsen burner C) Putting it in the top of the bunsen flame D) Using a blue flame from the bunsen burner E) Ensure that it is pointed away from everyone including yourself
A) 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 B) 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. C) 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 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) To make you look like a real scientist. B) Because they a magnified allowing you to see things more clearly C) To protect you from chemicals, heat and glassware. D) To improve your vision. E) Because they look good.
A) Put back in the bottles they came in. B) Poured down the sink with plently of water C) Taken home. D) Disposed of according to your teacher's instructons. E) Left in your trays for the next class.
A) Use tongs or heat proof gloves B) Pick up the end that looks cooler. C) Pour cold water on it. D) Use paper towels.
A) Okay. B) Not dangerous. C) All in good fun. D) Always against the rules of the laboratory. |