A) So you will score higher on the lab test. B) So you can make sure everything has been cleaned before beginning the lab procedure. C) So you can follow the lab instructions clearly. D) So you can quickly obtain your laboratory supplies before lab.
A) Fan your hand over the substance toward your nose which should be directly over the beaker. B) Fan your hand over the substance toward your nose which should be several centimeters away from the substance. C) Place your nose directly over the substance and take a big whiff. D) Place your nose near the opening of the beaker and inhale.
A) Run madly about the room. B) Splash large amounts of water onto the spill. C) Immediately ask to go to the restroom. D) Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!". 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) 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) Never D) Only with permission from the teacher
A) Because it might get in the way B) Because it is a fire hazard C) Because it can block the veiw of others D) Because it can get in your eyes
A) Te water might crack the glass B) the water might miss the glassware C) So it is not too hot
A) White B) Yellow C) Green D) Blue
A) Old students B) Teachers C) Miss V D) Each and every student. E) Support Staff
A) Finishing first B) Safety C) Getting the right answer D) Getting good data E) Getting the experiment completed
A) Using a blue flame from the bunsen burner B) Ensure that it is pointed away from everyone including yourself C) Heating it gently D) Using a yellow flame from the bunsen burner E) Putting it in the top of the bunsen flame
A) 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 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 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 protect you from chemicals, heat and glassware. D) To improve your vision. E) Because they look good.
A) Taken home. B) Poured down the sink with plently of water C) Disposed of according to your teacher's instructons. D) Left in your trays for the next class. E) Put back in the bottles they came in.
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) Okay. C) Not dangerous. D) All in good fun. |