Laboratory Safety Answers

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Which is a safe practice for handling chemicals in a lab investigation?

Dispose of all chemicals down the sink with a lot of water.

Tell the teacher about any chemicals that were spilled in a lab.

Identify chemicals by smelling and tasting them.

Place beakers of chemicals near the edge of the counter.

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A student uses paper towels to clean up a small chemical spill in the lab. Where should the dirty paper towels be placed?

in the lab sink

in the wastebasket

in the chemical waste container

in the hazardous waste container

Which action is designed to increase the safety of a person carrying a microscope from one place to another?

putting a cover over the microscope

setting the microscope to the high-power objective position

wrapping the electrical cord around the arm of the microscope

raising the stage of the microscope until it touches the objective

What is the most important action for all students to take to stay safe in a science lab?

Follow all instructions that are given by the teacher.

Do not talk with students sitting nearby.

Know where all laboratory equipment is located.

Have 911 programmed into one cell phone per table.

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