HS Life Science Lab Safety Exam (23-24)

When working in any science lab, it is necessary to -

•  know the location and use of safety equipment.

• tie back long hair.

• wear closed toed shoes.

• all are correct.

Which of the following is a safe laboratory procedure?

• Taste unknown chemicals.

• Wear safety goggles when instructed to do so.

• Continue an experiment when you are unsure of the correct procedure.

• Mix all chemicals at the lab station.

If you were to cut your finger while working in a lab, you should -

• wrap a clean paper towel around it and continue working.

• not worry about it if it isn’t bleeding too much.

• tell your teacher immediately.

• tell your lab partner.

You may taste a plant if -

• your teacher instructs you to do so.

• you think you know what the plant is.

• you wash the plant in distilled water first.

• the plant looks safe to eat.

You are working to complete your lab when you accidentally splash some of the chemicals in your eye. What should you do first?

• Blink several times and continue working

• Wipe your eye with a paper towel

• Tell your teacher

• Tell your lab partner

Your notebook accidentally catches on fire during an experiment, you should—

• notify the teacher, then smother the fire with a damp rag, wet towel or fire blanket.

• throw it on the floor and tell your lab partner.

• carry the burning materials to the trash can.

• throw it in the sink and pour water over it.

Which of the following is an important rule for lab days?

• Remove all unnecessary materials from the lab work area.

• Mix any leftover chemicals together prior to disposing them.

• Set up lab equipment on the edge of the table to assure ease in observing the results.

• Pour all excess chemicals down the drain.

There should not be any loud talking or horseplay in the lab because -

• your safety and the safety of others depends on your behavior.

• your teacher may have a headache.

• you may not be able to hear the bell ring for dismissal.

• you may not be able to hear the morning announcements.

When in the laboratory, it is acceptable to -

• wear lab aprons and goggles when instructed to do so.

• handle equipment without instructions beforehand.

• point a test tube toward another student while it is heating.

• mix all chemicals at your lab station.

Which of the following is the correct microscope procedure?

• Always carry a microscope with two hands.

• Store a microscope with the lowest power objective in place.

• Both A and B are correct.

• Carry the microscope by the handle.