6.1A Safety Practice

Which of the following is an example of an unsafe practice in a lab or science classroom?

• Using a glass rod to stir liquid in a glass beaker
• Testing a substance by tasting
• Detecting an odor by moving air toward you with your hand
• Watering a plant without wearing gloves 

• Read the lab instructions
• Was all the glassware
• Measure the temperature of the water
• Wait for teacher instructions 

A student is heating a liquid on a hotplate to extreme temperatures. Which pieces of equipment should the student use?

• fire extinguisher, apron
• googles, fire blanket
• apron, goggles, heat-resistant gloves 

Which situation requires the use of safety goggles?

• determining the temperature of a volume of liquid
• calculating the average rate of glass recycling
• measuring the length of a toy car's path
• gathering data about the local forest

Students must do the following FOUR things after finishing an experiment.  The steps are shown out of order. 
1. Wash beaker.
2. Put away unused chemicals.
3. Wash hands.
4. Wipe off lab bench. 

Which step should the students do LAST?

• Wash beaker
• Put away unused chemicals
• Wash hands
• Wipe off lab bench 

What is the safest way to smell toxic chemicals in Mrs. Rae's science class AND all science classes?

• Bring the container to your nose and smell gently
• Ask someone at your table to smell it
• Gently wave your hand over the container (waft)
• Call Mrs.Rae over before smelling the chemical 

True or False: Mrs. Rae will clean up your lab supplies for you

• True
• False

Which of the following is a safe lab practice?

• Using chipped glassware
• Reaching over an open flame
• Wearing goggles when heating chemicals
• Not reporting lab accidents to Mrs. Rae

True or False: Food is welcomed in science class

• True
• False

_{^{Tom placed 2 drops of vinegar on Rock Sample A and two drops on Rock Sample B.  Before he could test Rock Sample C, he accidentally spilled some of the vinegar on the floor.  What should Tom do next?}}

• record the observations of Rock Sample B
• clean up the vinegar spilled with a paper towel
• get another dropper bottle of vinegar
• place 2 drops of vinegar on Rock Sample C