What Should Be Done Before Beginning A Laboratory Investigation? - Fixanswer

The first step in the Scientific Method is to make objective observations . These observations are based on specific events that have already happened and can be verified by others as true or false. Step 2. Form a hypothesis.

What are 4 things you should do before starting a lab experiment?

List 4 things you should do before starting a lab experiment i) Wear proper safety equipment and clothing (goggles, gloves, aprons). ii) Keep lab benches clear of books and clothes iii) Keep hair tied back and do not wear loose clothing. iv) Notify teacher ahead of time if you wear contact lenses .

What safety rules should I follow before during and after a laboratory investigation?

Always wear gloves and goggles during an entire experiment session. Remember to never touch your face, body, or anyone else with your dissection gloves on. You should never eat or drink anything, including chewing gum, in the lab. Handle all equipment properly, safely, and with care.

What should be done prior to beginning an experiment quizlet?

A teacher must be present for all students to enter. What must you do before beginning any experiment? Students must read the lab lesson before starting any portion of the lab .

What are 5 precautions that must be taken before beginning an experiment?

Wash hands.
Remove any jewelry.
Tie back long hair.
Wear proper clothing (no loose clothes, close-toed shoes, long pants and sleeves)
Wear safety googles and gloves.

What are the 7 steps of experimental design?

Ask a question.
Perform research.
Establish your hypothesis.
Test your hypothesis by conducting an experiment.
Make an observation.
Analyze the results and draw a conclusion.
Present the findings.

What are the 5 lab safety rules?

Know locations of laboratory safety showers, eyewashstations, and fire extinguishers. ...
Know emergency exit routes.
Avoid skin and eye contact with all chemicals.
Minimize all chemical exposures.
No horseplay will be tolerated.
Assume that all chemicals of unknown toxicity are highly toxic.

What are the 10 lab safety rules?

of 10. The Most Important Lab Safety Rule. ...
of 10. Know the Location of Safety Equipment. ...
of 10. Dress for the Lab. ...
of 10. Don’t Eat or Drink in the Laboratory. ...
of 10. Don’t Taste or Sniff Chemicals. ...
of 10. Don’t Play Mad Scientist in the Laboratory. ...
of 10. Dispose of Lab Waste Properly. ...
of 10.

What should you not do in a lab?

Wearing open-toed shoes. ...
Keeping long hair down. ...
Eating or drinking. ...
Erasing data from your notebook. ...
Showing up late. ...
Forgetting to label samples or materials. ...
Incorrectly disposing of your materials. ...
Wearing shorts.

What is the most important lab safety rule?

The most important lab safety rule is to know the location of and how to use safety equipment , such as a fire extinguisher.

Which of the following is a safe laboratory procedure?

Dress for work in the laboratory . Wear clothing and shoes that cover exposed skin and protect you from potential splashes. Tie back long hair, jewelry, or anything that may catch in equipment. Never eat food, drink beverages, chew gum, apply cosmetics (including lip balm), or handle contact lenses in the laboratory.

What are the basic safety rules?

STAY ALERT – and stay alive. ...
WEAR THE RIGHT CLOTHES – work clothes should fit properly. ...
USE THE RIGHT TOOLS – if you need a hammer, get a hammer. ...
LEARN HOW TO LIFT – Lifting takes more than muscle; it is an art.

What should you do every time before you leave the lab quizlet?

What should you do every time before you leave the lab? Remove your labcoat. Remove your gloves. Wash your hands.

When should you read instructions for the experiment?

Always ______________your hands before and after an experiment. Read all________________ before beginning the experiment and ask questions if you are unsure of directions.

What should you always do after a lab?

What should you always do at the end of the lab? clean up . What is the penalty for horsing around or playing jokes during lab? What should be done with chipped or cracked glassware?