Lab Safety and Equipment

Rachel was excited to get to class because she knew they were doing an experiment. When she entered the room she saw all the mateirals on her table. Since she was familiar with all of the materials, she put on her goggles and got started. What lab rule did Rachel break?

• Keep your area neat and clean.

• Wear proper protective gear during a lab.

• Listen to teacher instructions and read all directions before starting any lab.

• Know the location and use of all safety equipment.

Brandon was working on a lab and came to a step in the procedure that was very confusing for him to understand. What should Brandon do next?

• Try his best to finish the lab without help.

• Ask his lab partner for assistance.

• Reread the directions and continue even if he is still confused.

• Ask his teacher to clarify the directions.

Lindsey and Adriana are working in the lab with a sharp scalpel. Since they are working with a sharp object they should make sure to...

• know the location of the eye wash station.

• always cut away from themselves.

• avoid wearing baggy clothes that can catch fire.

• hold the scalpel with the sharp end pointing up.

John and Rafael are playing around with the pipettes in a lab and accidentally knock a beaker over. What should they do?

• Notify the teacher of what happened.

• Clean it up quickly so they do not get in trouble.

• Move to another table so they can use a different beaker.

• Leave the spill for the next group to clean up.

At the completion of a lab, a group of 4 students realize that their materials are all spread out and mixed together. What should they do before leaving the lab area?

• Push all of the materials to one side of the table.

• Clean the lab thoroughly and return the materials to the proper location.

• Leave the lab area for the next group to clean.

• Make two of the lab members clean the area, while the other two watch.

Which of the following is NOT an important reason for knowing the location of safety equipment in the classroom?

• It's only important for your teacher to know.

• You should know the location in case of a small fire.

• You should know the location in case of a large chemical spill on your clothing or body.

• You should know the location in case of a harmful substance getting into your eyes.

What would rulers, electronic scales, and graduated cylinders be used for?

• Following all safety rules in the lab.

• Observing the chemical properties of a substance.

• Measuring the mass, length, and volume of substances.

• Good decoration in a science lab.

Which of the following is a way that lab tools help scientists?

• Lab tools help scientists measure substances.

• Lab tools help scientists observe substances.

• Lab tools help scientists interact with substances.

• All of the above.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

During a lab investigation, a group of students needed to observe the surface of a rock more closely. Which of the following pieces of lab equipment would be most useful?

• Graduated cylinder

• Petri dish

• Hand lens

• Triple beam balance

Two students needed to transfer a small amount of liquid from a beaker into a test tube. Which of the following is the BEST way to accomplish this task?

• Use an eye dropper or pipette to carefully transfer the liquid.

• Use a small spoon or scoop to carefully transfer the liquid.

• Slowly pour the liquid from the beaker into a test tube.

• Carefully dip the end of a test tube into the beaker to fill it with the necessary liquid.