Nitro13
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Question: It is always important to consider safety as you are conducting a scientific investigation. What are three common safety precautions you should use during an investigation?

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nathanlumax
An instructor should always be there, you should be mindful of your surroundings, and the instructions must be read thoroughly. 
you should always have an adult who is able to supervise the experiment, always have safety goggles on, know what you are trying to achieve, keep a fire extinguisher near by in case emergency maybe a phone if you need to call police or fire department