A) So you can quickly obtain your laboratory supplies before lab. B) So you can make sure everything has been cleaned before beginning the lab procedure. C) So you will score higher on the lab test. D) So you can follow the lab instructions clearly.
A) Fan your hand over the substance toward your nose which should be directly over the beaker. 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) Place your nose near the opening of the beaker and inhale.
A) Splash large amounts of water onto the spill. B) Immediately ask to go to the restroom. C) Stand back and advise the teacher of the spill. D) Run madly about the room. E) Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!".
A) I won't lose my supplies in the clutter. B) It keeps the room from looking messy. C) It helps prevent accidents.
A) Ask the teacher. B) Guess C) Just sit quietly and do nothing D) Change Lab Partners
A) Never B) When I am sure it is safe to do so 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) White B) Yellow C) Green D) Blue
A) Miss V B) Teachers C) Each and every student. D) Support Staff E) Old students
A) Getting good data B) Safety C) Getting the right answer D) Getting the experiment completed E) Finishing first
A) Ensure that it is pointed away from everyone including yourself B) Heating it gently C) Using a blue flame from the bunsen burner D) Using a yellow flame from the bunsen burner E) Putting it in the top of the bunsen flame
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 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 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 so that the air hole is closed. 2. Light a match and hold it over the bunsen burner. 3. Turn on the gas
A) To improve your vision. B) Because they look good. C) Because they a magnified allowing you to see things more clearly D) To make you look like a real scientist. E) To protect you from chemicals, heat and glassware.
A) Put back in the bottles they came in. B) Poured down the sink with plently of water C) Taken home. D) Left in your trays for the next class. E) Disposed of according to your teacher's instructons.
A) Pour cold water on it. B) Pick up the end that looks cooler. C) Use paper towels. D) Use tongs or heat proof gloves
A) Always against the rules of the laboratory. B) Not dangerous. C) Okay. D) All in good fun. |