Lab safety

Why should you not eat or drink in the lab?

• It can lead to contamination and exposure to hazardous substances.

• It helps in maintaining a clean workspace.

• It improves concentration and focus during experiments.

• It is a common practice in scientific research.

What should you do with long hair during a lab experiment?

• Long hair should be tied back to prevent it from coming into contact with chemicals or equipment.

• Long hair can be left loose as it does not pose any risk.

• Long hair should be covered with a hat to keep it clean.

• Long hair should be cut short before entering the lab.

Why is it important to wear safety goggles in the lab?

• Safety goggles enhance vision in low light conditions.

• Safety goggles protect your eyes from harmful chemicals, flying objects, and other hazards.

• Safety goggles are required by law in all laboratories.

• Safety goggles improve comfort while working with equipment.

What is lab safety?

• Lab safety refers to the practices and precautions taken to ensure a safe working environment in a laboratory setting.

• Lab safety involves the use of advanced technology to conduct experiments.

• Lab safety is about ensuring that all lab equipment is used for recreational purposes.

• Lab safety means wearing lab coats only during experiments.

What is the significance of using proper measuring tools in experiments?

• They make the experiment more interesting.

• They ensure accurate and reliable results in scientific experiments.

• They reduce the time taken for experiments.

• They are only necessary for large-scale experiments.

What is the first step to take in case of an emergency in the lab?

• Contact your teacher immediately for help.

• Try to solve the problem yourself first.

• Call emergency services directly.

• Ignore the situation and continue working.

What should you do if you break glassware in the lab?

• Ignore it and continue working.

• Notify your teacher and follow their instructions for safely cleaning up the broken glass.

• Try to clean it up yourself without telling anyone.

• Leave the lab immediately.

What is the importance of keeping the lab area clean?

• A clean lab area reduces the risk of accidents and ensures a safe working environment.

• A clean lab area is only important for aesthetic purposes.

• A clean lab area has no impact on safety.

• A clean lab area is necessary for proper equipment storage.

What is the dependent variable in an experiment?

• The factor that is manipulated by the researcher.

• The factor that is measured or observed in response to changes in the independent variable.

• The variable that remains constant throughout the experiment.

• The variable that is not affected by any changes.

What does it mean to follow instructions in the lab?

• Adhering to both written and verbal guidelines provided by the teacher regarding lab procedures.

• Ignoring the teacher's guidelines and doing experiments freely.

• Only following written instructions and disregarding verbal ones.

• Asking classmates for their interpretation of the lab procedures.