A) So you can quickly obtain your laboratory supplies before lab. B) So you can follow the lab instructions clearly. C) So you will score higher on the lab test. 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) Fan your hand over the substance toward your nose which should be several centimeters away from the substance. D) Place your nose directly over the substance and take a big whiff.
A) Stand back and advise the teacher of the spill. B) Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!". C) Run madly about the room. D) Immediately ask to go to the restroom. E) Splash large amounts of water onto 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) Guess B) Ask the teacher. C) Just sit quietly and do nothing D) Change Lab Partners
A) When I am sure it is safe to do so B) Never C) Only with permission from the teacher D) Whenever I want to
A) Because it can block the veiw of others B) Because it is a fire hazard C) Because it can get in your eyes 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) Yellow B) Blue C) White D) Green
A) Support Staff B) Miss V C) Old students D) Teachers E) Each and every student.
A) Getting good data B) Finishing first C) Safety D) Getting the right answer 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) Putting it in the top of the bunsen flame D) Heating it gently E) Using a yellow flame from the bunsen burner
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 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 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) Because they look good. B) To improve your vision. C) To make you look like a real scientist. D) Because they a magnified allowing you to see things more clearly E) To protect you from chemicals, heat and glassware.
A) Left in your trays for the next class. B) Poured down the sink with plently of water C) Disposed of according to your teacher's instructons. D) Put back in the bottles they came in. E) Taken home.
A) Use tongs or heat proof gloves B) Use paper towels. C) Pour cold water on it. D) Pick up the end that looks cooler.
A) All in good fun. B) Okay. C) Always against the rules of the laboratory. D) Not dangerous. |