Lab safety homework

Lab safety homework

Lab Techniques & Safety: Crash Course Chemistry #21

Anyone with broken skin should take appropriate protective measures to protect themselves from microorganisms. If pillbugs are attracted to cornstarch, then more will move to the chamber with cornstarch.. NEVER taste any chemical substance unless directed specifically by your teacher to do so. Rinsing your hands after washing helps prevent irritation to your skin from soap and removes dirt and microbes that have been dislodged by rubbing your hands together. Laboratory work can be started as soon as you enter the lab, even if the teacher is not present.

Are you getting the free resources, updates, and special offers we send out every week in our teacher newsletter? Students are using heat and chemicals in a laboratory experiment. For electrical devices, use DRY hands and remove electrical plugs by grasping the plug NOT the cord. Conclusion The main purpose of this lab was to use the scientific method in practice. Follow directions on whether chemicals can go down the sink or in a chemical waste container. Know the location s of the fire extinguisher, safety shower, eyewash, fire blanket, and first aid kit.

Tell only your lab partner. You said ‘No idea’. All chemicals in the lab are to be considered dangerous. You said ‘Think so’. Which of these is the best method of eye protection? Privacy Policy Keep in Touch! The ONLY correct way to smell the odour of a volatile substance is to gently fan the air across the open container toward your nose. Tell the teacher so they can determine the proper clean-up procedure.

This is important to make sure that your hands stay clean after washing. Be sure the teacher is present when you are working in the lab. NEVER inhale directly over the opening. NEVER return chemicals back to the bottle.

LAB SAFETY FEATURES AND FIRST AID 1. A student’s hand is cut during the laboratory experiment. Tools used in preserved specimen dissection Help question: This helps to ensure a thorough cleaning of your hands.

Long hanging necklaces or bulky clothing should NEVER be worn. We found that there is support for the hypothesis. When is off-task behavior and horseplay appropriate during a laboratory investigation? Pay attention to what you are doing. Use caution and the proper equipment to handle HOT glassware.

So when the preference for a nutritional substance is tested, we must compare with a substance that is as similar to the test substance as possible except from the nutritional characteristic. False Eyeglasses do not provide the same full coverage of the eye area. Eating and drinking in the laboratory Long hair must be tied back. Handle combustible materials CAREFULLY.

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