Back From Break Procedures

Before leaving the lab you should always wash or sanitize your hands.

• True 
• False

What should you do before you start lab?

• Read all the procedures

• Make sure your work area is neat

• Get teachers permission

• All of the above

What is the first step in the scientific method after returning from a break?

• Formulating a hypothesis

• Conducting an experiment

• Making an observation

• Analyzing data

Which of the following is a key component of a lab safety procedure when returning from a break?

• Wearing safety goggles

• Using a microscope

• Recording data

• Formulating a hypothesis

When resuming a chemical experiment, what is the most important thing to check first?

• The temperature of the room

• The labels on the chemical containers

• The color of the chemicals

• The size of the beakers

What should be done if a chemical spill is discovered after returning from a break?

• Ignore it and continue

• Clean it up immediately

• Report it to the teacher or supervisor

• Leave the lab immediately

Which of the following is a common procedure to ensure accuracy in measurements after a break?

• Recalibrating instruments

• Rewriting the hypothesis

• Reorganizing the lab bench

• Rechecking the experiment steps

What is the purpose of reviewing the experimental procedure after a break?

• To change the hypothesis

• To ensure all steps are followed correctly

• To skip unnecessary steps

• To make the experiment faster

Why is it important to wash hands before resuming a lab experiment?

• To avoid contamination

• To make hands feel fresh

• To remove ink stains

• To dry hands quickly

What should be done with the data collected before the break?

• Discard it

• Review and verify it

• Ignore it

• Start collecting new data